List of All Photos Displayed on This Web Site
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Hail shaft - Scottsbluff, Nebraska
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Misty temperate rain forest - Inside Passage, Alaska
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Discovery passing iceberg - Stephens Passage, Alaska
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Tail fluke of diving humpback whale - Frederick Sound, Alaska
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Brown bear with salmon shaking itself dry - Hidden Falls, Alaska
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Dense fog - Frederick Sound, Alaska
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Stratified fog layers - Frederick Sound, Alaska
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Breaching Humpback Whale - Frederick Sound, Alaska
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Waterfall - Tracy Arm Fjord, Alaska
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Waterfall - Tracy Arm Fjord, Alaska
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Waterfalls - Tracy Arm Fjord, Alaska
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Blue iceberg - Tracy Arm Fjord, Alaska
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Landspout tornado - Hawk Springs, Wyoming
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Landspout tornado - Hawk Springs, Wyoming
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Storm chasers photographing supercell - Hawk Springs, Wyoming
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Turbulent storm clouds - Chugwater, Wyoming
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Hail storm - Tyrone, Oklahoma
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Tail cloud and lightning - Liberal, Kansas
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Lightning striking corn field - Copeland, Kansas
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Shear vortex and lightning bolt - Cimarron, Kansas
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Storm chaser watching dying storm - Mullen, Nebraska
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Mesocyclone and crepuscular rays - McCook, Nebraska
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Porcupine - Brooks Range, Alaska
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Perseid meteor and Milky Way - Upper Missouri River Breaks National Monument
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Green Lynx Spider - Longleaf Flatwoods Reserve, Gainesville, Florida
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Colorful fall foliage - Acadia National Park, Maine
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The Pleiades rising over Egg Rock Lighthouse - Bar Harbor, Maine
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Raven's Nest cliffs - Acadia National Park, Maine
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Lightning behind abandoned farmhouse - Greeley, Nebraska
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Merganser and ducklings - Takatz Bay, Alaska
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Details of lightning J-processes - Marfa, Texas
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Rainbow over cumulus clouds - Oak Hill, Tennessee
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Gustnado crossing highway - Johnson City, Kansas
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Dusty mesocyclone and wall cloud - Syracuse, Kansas
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Twilight convection - Tulia, Texas
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Mesocyclone over pothole lake - Tulia, Texas
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Mesocyclone over grain bins - Tulia, Texas
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Mesocyclone - Tulia, Texas
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Lightning barrage - Davis Mountains, Texas
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Moon rising over McDonald Observatory - Davis Mountains, Texas
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Lightning bolt and soaring Turkey Vulture - Davis Mountains State Park, Texas
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Tornado and low-topped supercell - Spalding, Nebraska
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Tornado and low-topped supercell - Spalding, Nebraska
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Mammatus and anticrepuscular rays - Butler, Missouri
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Mesocyclone with Kelvin-Helmholtz waves - Trenton, Missouri
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Black swans at dawn - Lake Colac, Australia
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Orographic lift cloud over Bear Butte - Sturgis, South Dakota
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Silver Fox hunting on tundra - Churchill, Manitoba
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Polar Bear in falling snow - Churchill, Manitoba
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Polar Bear on rock ledge - Churchill, Manitoba
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Arctic Hare in forest - Churchill, Manitoba
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Silver Fox in the mist - Churchill, Manitoba
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Silver Fox pouncing onto vole - Churchill, Manitoba
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Red Fox hunting in snow - Churchill, Manitoba
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Mesocyclone and lightning - Oberlin, Kansas
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Great Egret at sunset - Kissimmee Prairie State Park, Florida
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Dall's Porpoise - Stephens Passage, Alaska
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Storm chasers photographing lightning - Sonoita, Arizona
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Horizontal rainbow - Whetstone Mountains, Arizona
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Monsoon Lightning - Tucson, Arizona
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Lightning barrage - Saguaro National Park, Arizona
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Rain shaft - Saguaro National Park, Arizona
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Monsoon lightning - Sonoita, Arizona
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Mammatus - Tucson, Arizona
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Shelf cloud over Enders Reservoir - Enders, Nebraska
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Sunset behind grain bins - Colby, Kansas
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Elevated storm - Tomah, Wisconsin
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Storm over Bear Butte - Sturgis, South Dakota
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Storm over church - Elk Creek, Nebraska
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Shelf cloud panorama - Tecumseh, Nebraska
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Storm - McCook, Nebraska
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Hail core over Swanson Reservoir - Trenton, Nebraska
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Storm chaser photographing supercell - Muleshoe, Texas
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Stable air stratum feeding into shelf cloud - Goodland, Kansas
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Hail fog - Gordon, Nebraska
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Anticrepuscular rays - Selden, Kansas
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Anticrepuscular rays - Selden, Kansas
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Striated mesocyclone - Hobbs, New Mexico
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Wind turbine and storm clouds - Benjamin, Texas
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Supercell mesocyclone - Levelland, Texas
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Supercell and Dust Storm - Morton, Texas
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Lightning barrage - Wewoka, Oklahoma
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Lightning bolts - Wewoka, Oklahoma
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Wave clouds - Watertown, South Dakota
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Alaska Pipeline - North Slope, Alaska
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Alaska Pipeline - North Slope, Alaska
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Aurora over Mount Dillon and Brock Creek - Brooks Range, Alaska
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Sun dogs and halo - Dalton Highway, Alaska
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Aurora over cabin - Brock Creek, Alaska
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Bison in snow - Yellowstone National Park, Wyoming
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Wet microburst - Benson, Arizona
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Tornado - Sudan, Texas
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CMA CGM Dalila - Savannah River, Georgia
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Turbulent Sky - Susank, Kansas
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Low-precipitation supercell - Littlefield, Texas
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Supercell mesocyclone with clear slot - Lubbock, Texas
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Squall Line - Curryville, Missouri
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Squall Line - Curryville, Missouri
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Tilted mesocyclone - Montezuma, Kansas
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Rear flank downdraft winds - Selden, Kansas
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Tornado-damaged grain bins - Selden, Kansas
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Multiple-vortex tornado - Selden, Kansas
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Tornado - Selden, Kansas
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Cone tornado - Selden, Kansas
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Tornado - Selden, Kansas
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Tornado - Selden, Kansas
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Wall cloud over farm - Eckley, Colorado
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Rainbow and storm - Holyoke, Colorado
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Rainbow over homestead - Burns, Wyoming
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Mammatus over church - Lubbock, Texas
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Lightning-illuminated supercell - Lubbock, Texas
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Lightning and dust storm - Laredo, Texas
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Blowing dust and setting sun - Littlefield, Texas
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Towering stormclouds - Littlefield, Texas
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Distant storm - Littlefield, Texas
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Mesocyclone and wall cloud - Sudan, Texas
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Tornado - Sudan, Texas
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Tornado - Sudan, Texas
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Yawning Red Fox - Yellowstone National Park, Wyoming
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Grinder hail storm - Erick, Oklahoma
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Mesocyclone and lightning bolt - Texola, Oklahoma
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Mammatus over Pond - Hastings, Nebraska
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Fall Harvest - Gainesville, Florida
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Night of the Comet - Gainesville, Florida
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Comet NEOWISE and thunderstorm - Gainesville, Florida
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Table for Two - Gainesville, Florida
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Aurora - Mount Sukakpak, Alaska
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Truck under aurora - Atigun Pass, Brooks Range, Alaska
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Lightning-lit supercell and stars - Oakley, Kansas
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Oak grove in late afternoon - Gainesville, Florida
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Lightning over Myakka River - Myakka River State Park, Florida
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Woman watching full moon - Watermelon Pond, Florida
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Evening at Watermelon Pond - Gainesville, Florida
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Power pylons in front of dark storm - Dickens, Texas
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Storm chasers watching tornadic vortex - Hays, Kansas
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Tornado - near Rozel, Kansas
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Waterfall - Tracy Arm, Alaska
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Squall line - Tribune, Kansas
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Dual lightning bolts - Garden City, Kansas
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Close lightning strike - Garden City, Kansas
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Tornado - Paducah, Texas
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Dying supercell - Johnson City, Kansas
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Thunderstorm at dusk - Waldo, Kansas
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Flooded road - Erie, Kansas
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Turbulent storm clouds - Johnson City, Kansas
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Turbulent storm clouds - Ulysses, Kansas
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Haboob - Seminole, Texas
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Dust storm - Stanton, Texas
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Haboob turns day into night - Big Spring, Texas
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Lightning bolt - New Braunfels, Texas
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Gust front dust storm - Scott City, Kansas
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Isolated cumulonimbus - San Angelo, Texas
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Distant storm and flood water - Fairview, Oklahoma
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Mesocyclone over farm - Tonkawa, Oklahoma
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Destructive rear flank downdraft - Greenville, Texas
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Lightning storm - Superior, Nebraska
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Mammatus and train - Fairfield, Nebraska
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Mammatus over farm house - Hastings, Nebraska
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Short-eared Owl - Lavina, Montana
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Point Retreat Lighthouse and Herbert Glacier - Juneau, Alaska
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Humpback whales bubble-net feeding - Chatham Strait, Alaska
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Humpback whales bubble-net feeding - Chatham Strait, Alaska
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Humpback whales bubble-net feeding - Chatham Strait, Alaska
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Landspout Tornado - Cope, Colorado
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Brown Bear with salmon - Hidden Falls, Alaska
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Discovery at dusk - Pavlof Harbor, Alaska
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Dall's Porpoise - Stephens Passage, Alaska
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Dall's Porpoise - Stephens Passage, Alaska
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Humpback Whale spout - Stephens Passage, Alaska
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Humpback Whale fluke - Chatham Strait, Alaska
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Humpback Whale fluke - Frederick Sound, Alaska
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Steller Sea Lion - Sunset Island, Alaska
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Steller Sea Lions - Sunset Island, Alaska
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North Sawyer Glacier - Tracy Arm, Alaska
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Iceberg - Tracy Arm, Alaska
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Iceberg - Tracy Arm, Alaska
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Iceberg - Tracy Arm, Alaska
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Iceberg - Tracy Arm, Alaska
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Valley of mist - Tracy Arm, Alaska
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Mist-filled valley - Tracy Arm, Alaska
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Bald Eagle on iceberg - Tracy Arm, Alaska
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Rufous Hummingbird feeding on fireweed - Wood Spit, Alaska
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Rufous Hummingbird feeding on fireweed - Wood Spit, Alaska
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Bison herd in snowstorm - Yellowstone National Park, Wyoming
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Castle Geyser at night - Yellowstone National Park, Wyoming
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Old Faithful Geyser erupting at night - Yellowstone National Park, Wyoming
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Clepsydra Geyser erupting - Yellowstone National Park, Wyoming
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Elk and Electric Peak - Yellowstone National Park, Montana
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Atmospheric optics display - Grand Canyon of the Yellowstone
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Pronghorn Antelope - Yellowstone National Park, Wyoming
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Bison in winter - Yellowstone National Park, Wyoming
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Bighorn Sheep eating dry grass - Yellowstone National Park, Wyoming
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Bighorn Sheep climbing steep hillside - Yellowstone National Park, Wyoming
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Bison beside Madison River - Yellowstone National Park, Wyoming
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Red Fox - Yellowstone National Park, Wyoming
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Double-crested Cormorant preening its feathers - Everglades National Park, Florida
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Desert Lightning - Alpine, Texas
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St. Johns River Road - Lake George State Forest, Florida
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Flying Bald Eagle - Kachemak Bay, Alaska
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Hail storm from inside of storm chase car - Scottsbluff, Nebraska
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Harbor Seal Pup staring into its reflection - Halibut Cove, Kachemak Bay, Alaska
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Sunlit rain shaft over railroad tracks - Eloy, Arizona
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Sunflowers under approaching storm - Alice, Texas
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Twin Landspout Tornados - Cope, Colorado
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Aurora over Alaska Pipeline - Brooks Range, Alaska
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Sandhill Crane - Myakka River State Park, Florida
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Anticrepuscular cloud shadow - Everglades National Park, Florida
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Greater Yellowlegs - Merritt Island National Wildlife Refuge, Florida
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Gravity waves - Rural western Oklahoma
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Monsoon lightning - Tucson, Arizona
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Monsoon lightning - Tucson, Arizona
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Lightning over Rio Grande - Radium Springs, New Mexico
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Monsoon lightning - Tucson, Arizona
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Crepuscular rays - Tucson Mountains, Arizona
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Water Moccasin - Gainesville, Florida
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Monsoon lightning - Tucson, Arizona
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Lightning - Las Cruces, New Mexico
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Lightning and blowing dust - Las Cruces, New Mexico
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Bighorn sheep at sunset - Badlands National Park, South Dakota
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Sky reflected in prairie pothole lake - Forman, North Dakota
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Mayfly vortexes - Billings, Montana
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Cirrus virga tail - Dickinson, North Dakota
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Surging shelf cloud - Seymour, Texas
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Pyrocumulonimbus cloud - Wheeler, Texas
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Mesocyclone - Scottsbluff, Nebraska
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Hail storm - Scottsbluff, Nebraska
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Wind farm in dust storm - Seymour, Texas
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Bead lightning striking power line - Alpine, Texas
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Lightning striking Platte River valley - Sterling, Colorado
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Supercell storm - Burlington, Colorado
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Landspout Tornado - Cope, Colorado
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Landspout Tornado - Cope, Colorado
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Landspout Tornado - Cope, Colorado
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Landspout Tornado - Cope, Colorado
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Storm updraft - Rapid City, South Dakota
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Mesocyclone and lightning bolt - Texola, Oklahoma
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Hail storm - Erick, Oklahoma
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Storm and flowers - Carter, Oklahoma
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Barred Owl Roost camping platform - Roanoke River, North Carolina
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Mount Edgecumbe covered with snow - Sitka, Alaska
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Bald Eagle flying in snowstorm - Kachemak Bay, Alaska
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Glaucous Gull flying in snowstorm - Kachemak Bay, Alaska
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Glaucous Gull flying in snowstorm - Kachemak Bay, Alaska
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Bald Eagle catching fish - Kachemak Bay, Alaska
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Diving Bald Eagle - Kachemak Bay, Alaska
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Juvenile Bald Eagle - Kachemak Bay, Alaska
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Bald Eagle and Mount Iliamna - Kachemak Bay, Alaska
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Bald Eagle - Kachemak Bay, Alaska
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Bald Eagle flying in snowstorm - Kachemak Bay, Alaska
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Claire Oceana returning to port - Seward, Alaska
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Paddleboarder on Resurrection Bay - Seward, Alaska
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Snow-covered peninsula - Kachemak Bay, Alaska
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Bald Eagle catching fish - Kachemak Bay, Alaska
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Flying Bald Eagle - Kachemak Bay, Alaska
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Cone Tornado and rear flank downdraft - Howes, South Dakota
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Dramatic thunderstorm - Del Rio, Texas
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Tornado - near Rozel, Kansas
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Black-chinned Hummingbird in flight - Sierra Vista, Arizona
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Red Fox leaping across stream - Northern Alaska
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Harris's Hawk - Boulder, Colorado
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Glowing cholla cactus - Saguaro National Park, Arizona
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Black-tailed Prairie Dogs - Wichita Mountains Wildlife Refuge, Oklahoma
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Prairie Dog giving alarm call - Wichita Mountains Wildlife Refuge, Oklahoma
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Approaching hail storm - Guthrie, Oklahoma
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Tornadic supercell - Elk City, Oklahoma
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Hail storm - Memphis, Texas
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Hail storm - Carmen, Oklahoma
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Summer storm - Hays, Kansas
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Mesocyclone over farm - Goodland, Kansas
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Lightning and tail cloud - Amherst, Texas
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Lightning from tornadic thunderstorm - Enochs, Texas
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Stacked plate cloud formation - Stratton, Colorado
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Mammatus at sunset - Santa Rosa, New Mexico
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Microburst and lightning bolt - Chappell, Nebraska
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Ominous wall cloud - Chickasha, Oklahoma
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Monsoon rainbow - Chiricahua National Monument, Arizona
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Lightning over the Winchester Mountains - Willcox, Arizona
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Picacho Peak during dust storm - Eloy, Arizona
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Tent under night sky - Organ Pipe Cactus National Monument, Arizona
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Anna's Hummingbird in flight - Sierra Vista, Arizona
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Polar Bear cubs playing - Arctic National Wildlife Refuge, Alaska
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Dalton Highway with blowing snow - Atigun Pass, Alaska
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Ground blizzard - Atigun Pass, Alaska
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Polar Bear cub at sunset - Arctic National Wildlife Refuge, Alaska
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Polar Bear - Arctic National Wildlife Refuge, Alaska
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Polar Bear family in fog - Arctic National Wildlife Refuge, Alaska
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Aurora, moon, and frozen pond - Northern Alaska
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Aurora, moon, and frozen pond - Northern Alaska
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Milky Way over Car - Chiricahua National Monument, Arizona
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Crested Caracara - Kissimmee Prairie Preserve State Park, Florida
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Bison lying in dry grass - Paynes Prairie State Park, Florida
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Snowy Egret chasing fish - Kissimmee Prairie Preserve State Park, Florida
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Aurora over Chandalar Shelf - Brooks Range, Alaska
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Aurora reflected by frozen Dietrich River - Brooks Range, Alaska
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Aurora over Chandalar Shelf - Brooks Range, Alaska
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Aurora over spruce trees - Brooks Range, Alaska
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Aurora reflected by frozen Dietrich River - Brooks Range, Alaska
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Aurora over Snowden Mountain - Brooks Range, Alaska
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Aurora over Dalton Highway - Brooks Range, Alaska
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Snowy Egret - Paynes Prairie Preserve State Park, Florida
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Barn Owl in window - Fort Collins, Colorado
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Harris's Hawk - Boulder, Colorado
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Great Horned Owl - Fort Collins, Colorado
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Barred Owl - Boulder, Colorado
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Gyrfalcon flying over lake - Boulder, Colorado
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Golden Eagle - Boulder, Colorado
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Barn Owl - Boulder, Colorado
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Red-tailed Hawk - Boulder, Colorado
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Screech Owl - Boulder, Colorado
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Red-tailed Hawk - Boulder, Colorado
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Barn Owl in window - Fort Collins, Colorado
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Red-tailed Hawk - Boulder, Colorado
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Long-eared Owl - Fort Collins, Colorado
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Smoky sunset - Red Rock Lakes National Wildlife Refuge, Montana
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Elk with large antlers - Yellowstone National Park, Wyoming
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Florida Softshell Turtle digging egg nest - Paynes Prairie State Park, Florida
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Tree fern forest - Roaring Billy Falls Trail, New Zealand
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Tussock grass - Arrowtown, New Zealand
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Southern Alps glacier - Aoraki-Mount Cook National Park, New Zealand
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Glacier as seen from air - Aoraki-Mount Cook National Park, New Zealand
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Hiker near Mount Cook - Lake Tekapo, New Zealand
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Southern Alps and Lake Tekapo - New Zealand
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Mount Sealy and sheep - Southern Alps, New Zealand
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Mount Taranaki at sunrise - Rahotu, New Zealand
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Snowy Owl flying over snow - Stayner, Ontario, Canada
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Hokitika Gorge - New Zealand
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Dying supercell storm - Strasburg, North Dakota
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Aurora - Nutirwik Creek, Brooks Range, Alaska
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Coastal Brown Bear yawning and stretching - Lake Clark National Park, Alaska
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Dust storm and barn - Dickens, Texas
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Tornado - near Millsap, Texas
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Flowering Dogwood - Great Smoky Mountains National Park
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Mingo Falls - Great Smoky Mountains National Park
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Snow mounds - Jasper National Park, Canada
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Great Egret - Ichetucknee Springs State Park, Florida
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Lightning and wheat field - Elmer, Oklahoma
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Prairie Storm - near Limon, Colorado
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Moon and Belt of Venus over Nugent Mountain - Big Bend National Park, Texas
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Aurora over cabin - Brooks Range, Alaska
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Aurora - Nutirwik Creek, Brooks Range, Alaska
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Enormous paper wasp nest - Everglades National Park, Florida
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Alligator in Myakka River - Myakka River State Park, Florida
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Juvenile Bald Eagle - Chilkat River, Alaska
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Flying Bald Eagle - Chilkat River, Alaska
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Snow-covered forest and mountains - Alaska Chilkat Bald Eagle Preserve, Haines, Alaska
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Bald Eagle eating salmon - Chilkat River, Alaska
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Bald Eagle eating salmon - Chilkat River, Alaska
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Soaring Bald Eagle - Chilkat River, Alaska
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Tent, stars, and Nugent Mountain - Big Bend National Park, Texas
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Vulture in tree - Everglades National Park, Florida
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Lightning at sunset - Everglades National Park, Florida
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Alligator on La Chua Trail - Paynes Prairie State Park, Florida
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Shelf cloud over farmhouse - near Memphis, Missouri
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Shelf cloud over grain bins - near Canton, Missouri
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Landspout tornado - Willcox, Arizona
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Alligator on Lake Wauberg - Paynes Prairie Preserve State Park, Florida
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Rain shower over Florida Strait - Tavernier, Florida
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Storm with overshooting top - Mineral Wells, Texas
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Coastal brown bears after mating - Lake Clark National Park, Alaska
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Dust devil - Minneola, Kansas
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Monsoon clouds over Gunlom Road - Kakadu National Park, Northern Territory, Australia
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Pied-billed Grebe - Mrazek Pond, Everglades National Park, Florida
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Ice climber on Weeping Wall - Banff National Park, Canada
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Steam devils - Gainesville, Florida
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Water moccasin eating rat - Paynes Prairie Preserve State Park, Florida
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Roll cloud - Atwood, Kansas
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Crepuscular rays in forest - Paynes Prairie Preserve State Park, Florida
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Shelf cloud - Gainesville, Florida
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Supercell storm - Piedmont, South Dakota
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Lightning over the Dos Cabezas Mountains - Willcox, Arizona
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Northern Crested Caracara - Kissimmee Prairie Preserve State Park, Florida
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Roseate Spoonbill - Huntington Beach State Park, South Carolina
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Mesocyclone of a supercell storm - Cheyenne, Wyoming
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Truck caught in flash flood - Coyanosa, Texas
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Hail drifts on road - Pecos, Texas
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Dust storm - Bloomfield, Iowa
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Storm over farm - Bloomfield, Iowa
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Ragged gust front with fractus cloud fingers - Shreveport, Louisiana
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Ragged shelf cloud - Maryville, Missouri
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Dying supercell storm - Strasburg, North Dakota
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Underside of thunderstorm anvil - Cheyenne, Wyoming
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Lightning barrage - Guthrie, Texas
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Tornado - Canadian, Texas
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Squall line and whale's mouth cloud - Leedey, Oklahoma
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Thunderstorm reflected by wet road - Broadwater, Nebraska
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Tornado - Cheyenne Wells, Colorado
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Tornado and cows - north of Lamar, Colorado
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Tornado and double rainbow - north of Lamar, Colorado
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Mountain range at sunset - Southeast Alaska
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Tidal plain drainage channels - Cook Inlet, Alaska
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Mountain and storm clouds - Lake Clark National Park, Alaska
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Coastal brown bear drinking water - Lake Clark National Park, Alaska
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Coastal brown bears - Lake Clark National Park, Alaska
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Coastal brown bear in sunny meadow - Lake Clark National Park, Alaska
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Coastal brown bear shaking water off fur - Lake Clark National Park, Alaska
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Coastal brown bear jumping across stream - Lake Clark National Park, Alaska
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Coastal brown bear in morning light - Lake Clark National Park, Alaska
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Coastal brown bear and cub standing - Lake Clark National Park, Alaska
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Coastal brown bear nursing cubs - Lake Clark National Park, Alaska
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Running coastal brown bear cub - Lake Clark National Park, Alaska
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Muddy coastal brown bear - Lake Clark National Park, Alaska
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Coastal brown bear on beach - Lake Clark National Park, Alaska
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Truck and snow-covered trees - Dalton Highway, Alaska
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Truck on ice-covered Dalton Highway - Brooks Range, Alaska
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Denali - Alaska
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Aurora over Alaskan Pipeline - Brooks Range, Alaska
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Aurora over camp - Brooks Range, Alaska
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Aurora over trees - Brooks Range, Alaska
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Aurora - Atigun Pass, Brooks Range, Alaska
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Aurora - Brooks Range, Alaska
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Aurora - Mount Sukakpak, Alaska
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Aurora - Brooks Range, Alaska
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Aurora - Brooks Range, Alaska
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Aurora - Brooks Range, Alaska
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Aurora corona - Brooks Range, Alaska
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Aurora corona - Brooks Range, Alaska
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Aurora - Brooks Range, Alaska
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Hole punch cloud - Gainesville, Florida
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Sunrise at Glory Hole - Jasper National Park, Canada
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Dust storm - near Dickens, TX
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Grand Prismatic Spring - Yellowstone National Park, Wyoming
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Dust storm - Spur, Texas
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Tornado - near Rozel, Kansas
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Lightning over Panther Peak - Saguaro National Park, Arizona
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Coastal Brown Bear in a watery environment - Lake Clark National Park, Alaska
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Clamming Coastal Brown Bears - Lake Clark National Park, Alaska
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Thermophile bacterial biomats - Mammoth Hot Springs, Yellowstone National Park, Wyoming
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Smoke from Violet Town bushfire - Victoria, Australia
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Pyrocumulus Cloud - Kissimmee Prairie State Park, Florida
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Lightning over the Gila Mountains - Safford, Arizona
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Monsoon rainbow - Yavapai County, Arizona
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Moon and Venus over the Chatham River - Everglades National Park, Florida
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Pavilion Key Sunset - Everglades National Park, Florida
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American White Pelicans - Indian Key, Everglades National Park, Florida
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Sun Pillar - Stayner, Ontario, Canada
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Blizzard on farm road with person - Stayner, Ontario, Canada
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Blizzard on farm road - Stayner, Ontario, Canada
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Blizzard on farm road - Stayner, Ontario, Canada
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Snowy Owl landing on fence post - Stayner, Ontario, Canada
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Snowy Owl landing on fence post - Stayner, Ontario, Canada
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Snowy Owl on fence post - Stayner, Ontario, Canada
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Snowy Owl against pale sun - Stayner, Ontario, Canada
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Snowy Owl - Stayner, Ontario, Canada
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Snowy Owl - Stayner, Ontario, Canada
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Snowy owl in flight - Stayner, Ontario, Canada
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Snowy owl in flight - Stayner, Ontario, Canada
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Lightning and green storm clouds - near Olustee, Oklahoma
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Severe hail storm - near Aurora, Colorado
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Sonoran Desert Monsoon lightning - Ajo, Arizona
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Storm chaser photographing approaching hail storm - Sheffield, Texas
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Rapid on Laurel Creek - Great Smoky Mountains National Park, Tennessee
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Black-tailed Prairie Dogs - Wichita Mountains Wildlife Refuge, Oklahoma
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Western Lowland Gorilla - Franklin Park Zoo, Boston, Massachusetts
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Double-crested Cormorants in tree - Lower Suwannee National Wildlife Refuge, Florida
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Wind-blurred meadow grass - Strawberry Mountain Wilderness, Oregon
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Storm chasers photographing lightning - San Angelo, Texas
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Lightning bolt - Sheffield, Texas
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Lightning and farm road - Paxton, Nebraska
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Bear and human tracks in mud - Lake Clark National Park, Alaska
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Storm chaser photographing storm - Rapid City, South Dakota
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Thunderstorm over cypress dome - Everglades National Park, Florida
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Lightning and dramatic storm clouds - Badlands National Park, South Dakota
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Smoldering log after bushfire - Kakadu National Park, Northern Territory, Australia
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Arnhem Land Escarpment - Kakadu National Park, Northern Territory, Australia
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Black-necked Stork - Yellow Water Wetlands, Kakadu National Park, Northern Territory, Australia
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Needle-shaped tornado - near Howes, South Dakota
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Tornado - north of Roscoe, South Dakota
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Tornado - north of Roscoe, South Dakota
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Tornado - north of Roscoe, South Dakota
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Tornado - north of Roscoe, South Dakota
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Tornado - north of Roscoe, South Dakota
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Tornado - north of Roscoe, South Dakota
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Tornado - near Roscoe, South Dakota
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Lightning and tree - Williston, Florida
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Common Bronzewing - Bairnsdale, Victoria, Australia
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Sailing stone by moonlight - The Racetrack, Death Valley National Park, California
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Close encounter with funnel cloud - near Collyer, Kansas
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Funnel cloud - near Collyer, Kansas
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Gull exhibiting drop-catch behavior - Lauderdale-by-the-Sea, Florida
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Gull exhibiting drop-catch behavior - Lauderdale-by-the-Sea, Florida
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Gull exhibiting drop-catch behavior - Lauderdale-by-the-Sea, Florida
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Cape Otway surf - Victoria, Australia
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Aerial view of Gunnison Island - Great Salt Lake, Utah
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Grey's Crested Guenon grooming - Cincinnati Zoo and Botanical Garden, Ohio
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Live Oak covered with epiphytes - Cumberland Island, Georgia
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American Alligator - Gainesville, Florida
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American Alligator - Gainesville, Florida
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Deadman's Key on a hazy summer afternoon - Cedar Key, Florida
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Reflection of rock in pool - Uluru, Australia
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Monsoon lighting at sunset - Cochise, Arizona
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Monsoon lightning - Willcox, Arizona
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Monsoon lightning - Willcox, Arizona
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Lightning over the Dos Cabezas Mountains - Willcox, Arizona
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Black-tailed Rattlesnake - Tubac, Arizona
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Bison at sunset - Badlands National Park, South Dakota
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Coastal Brown Bear and its reflection - Lake Clark National Park, Alaska
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Bear cub playing with its mother - Lake Clark National Park, Alaska
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Bear cub playing with its mother - Lake Clark National Park, Alaska
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Bear cub playing with its mother - Lake Clark National Park, Alaska
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Prius under whale's mouth cloud - Springfield, Colorado
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Lightning over Woodrow Baptist Church - Woodrow, Texas
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Dramatic forked lightning - Woodrow, Texas
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Wall cloud over old farmhouse - east of Plainview, Texas
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Lightning reflected by the Fort Lyon Canal - Lamar, Colorado
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Moon, stars, storm clouds, and lightning - Nebraska Sandhills north of Arthur, Nebraska
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Violent squall line - York, Nebraska
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Violent squall line - York, Nebraska
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Farm house and approaching storm - Clarks, Nebraska
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Approaching squall line - Clarks, Nebraska
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Approaching squall line - near Clarks, Nebraska
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Rain curtains over Highway 56 - Satanta, Kansas
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Prius and storm - near Ulysses, Kansas
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Lightning and hail storm - Alice, Texas
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Truck passing thunderstorm - Carlsbad, New Mexico
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Severe hail storm - near Aurora, Colorado
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Lightning and setting sun - Bridgeport, Nebraska
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Lightning and farm road - Paxton, Nebraska
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Storm over farm - Paxton, Nebraska
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Mothership storm cloud - Paxton, Nebraska
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Round barn and squall line - Biggsville, Illinois
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Barn and squall line - Biggsville, Illinois
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Cemetery and stormy sky - Milford, Nebraska
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Wave crashing against seawall - Barwon Heads, Victoria, Australia
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Bison feeding in snow - Yellowstone National Park, Wyoming
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Coyote beside Madison River - Yellowstone National Park, Wyoming
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Old Faithful Geyser erupting - Yellowstone National Park, Wyoming
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Giantess Geyser erupting - Yellowstone National Park, Wyoming
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Trumpeter Swan on Yellowstone River during snowstorm - Yellowstone National Park, Wyoming
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Snowmobiles emerging from heavy snow - Hayden Valley, Yellowstone National Park, Wyoming
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Snow coach in Hayden Valley - Yellowstone National Park, Wyoming
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Herd of Pronghorn on ridge - Yellowstone National Park, Wyoming
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Coyote and Pronghorn - Yellowstone National Park, Wyoming
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Male Bighorn Sheep on cliff - Yellowstone National Park, Wyoming
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Bison in meadow during snowstorm - Yellowstone National Park, Wyoming
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Bison grazing at sunset - Yellowstone National Park, Wyoming
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Forlorn bison feeding in snow - Yellowstone National Park, Wyoming
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Herd of bison on road - Yellowstone National Park, Wyoming
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Headshot of bison in winter - Yellowstone National Park, Wyoming
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Lone bison feeding in snow-covered Lamar Valley - Yellowstone National Park, Wyoming
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Spectacular lightning over the Halifax River - New Smyrna Beach, Florida
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Man and dog in boat at dusk - Horicon Marsh, Wisconsin
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Coastal Brown Bear eating a salmon - Lake Clark National Park, Alaska
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Coastal Brown Bear eating a salmon - Lake Clark National Park, Alaska
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Coastal Brown Bear watching seagull at sunrise - Cook Inlet, Lake Clark National Park, Alaska
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Bald Eagle at sunrise - Cook Inlet, Lake Clark National Park, Alaska
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Coastal Brown Bear in meadow - Lake Clark National Park, Alaska
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Coastal Brown Bear - Lake Clark National Park, Alaska
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Horned Puffin carrying fish - Redoubt Volcano, Alaska
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Horned Puffin on rock - Duck Island, Cook Inlet, Alaska
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Coastal Brown Bear at sunrise - Cook Inlet, Lake Clark National Park, Alaska
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Photographing the sunrise - Lake Clark National Park, Alaska
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Coastal Brown Bear at sunrise - Cook Inlet, Lake Clark National Park, Alaska
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Coastal Brown Bear - Lake Clark National Park, Alaska
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Coastal Brown Bear - Lake Clark National Park, Alaska
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Woman canoeing on Green River - Labyrinth Canyon, Utah
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Windmill in dust storm - Grady, New Mexico
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Wedge tornado - Bennington, Kansas
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Tornado - near Rozel, Kansas
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Backlit tornado - near Rozel, Kansas
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Tornado - near Millsap, Texas
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Tornado - near Millsap, Texas
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Tornado - near Millsap, Texas
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Tornado - near Millsap, Texas
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Hail streaks and rainbow - Del Rio, Texas
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Dramatic thunderstorm updraft - Aspermont, Texas
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Male Painted Bunting - Eco Pond, Everglades National Park, Florida
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Man looking into Kilauea Volcano - Hawaii Volcanoes National Park
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People looking into Kilauea Volcano - Hawaii Volcanoes National Park
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The Milky Way, Southern Cross, and Coalsack Nebula - Arno Bay, South Australia
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Crow drinking - Everglades National Park, Florida
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Swimming Anhinga - Everglades National Park, Florida
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Thunderstorm lit by setting sun - Myakka River State Park, Florida
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Couple on bicycles - Myakka River State Park, Florida
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Stars over tent - Needles District, Canyonlands National Park, Utah
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Tent under starry sky - Ozark National Scenic Riverways, Missouri
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The Firefly Whisperer - Missouri Ozarks
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Chaotic copper-colored sky - Alva, Oklahoma
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Lightning and truck - Tucumcari, New Mexico
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Lightning and trucks - Tucumcari, New Mexico
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Farmer staring at setting sun - Melrose, New Mexico
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Rain shaft backlit by setting sun - Clinton, Oklahoma
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Pickup truck under mammatus clouds - near Woodward, Oklahoma
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Lightning striking wheat field - rural western Oklahoma
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Lightning striking wheat field - rural western Oklahoma
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Tarantula on boulder - Big Bend National Park, Texas
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Distant hills at sunset - Big Bend National Park, Texas
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Tarantula on road - Big Bend National Park, Texas
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Jackrabbit with backlit ears - Big Bend National Park, Texas
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Round Spring - Ozark National Scenic Riverways, Missouri
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Alley Mill at night - Ozark National Scenic Riverways, Missouri
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Coyote - Jasper National Park, Alberta, Canada
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Howling Coyote - Jasper National Park, Alberta, Canada
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Coyote - Jasper National Park, Alberta, Canada
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Rocky Mountain vista in snowstorm - Banff National Park, Canada
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Pale sun and cliffs - Banff National Park, Canada
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Massive trees of the Hoh Rain Forest - Olympic National Park, Washington
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Car dwarfed by huge trees - Olympic National Park, Washington
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Osprey bringing a fish to its mate - Everglades National Park, Florida
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Tricolored Heron - Mrazek Pond, Everglades National Park, Florida
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American Coot in Mrazek Pond - Everglades National Park, Florida
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White Ibis at sunset - Paurotis Pond, Everglades National Park, Florida
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Rainbow in irrigator spray - Homestead, Florida
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Black Skimmer fishing before sunrise - Eco Pond, Everglades National Park, Florida
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Rainbow in irrigator spray - Homestead, Florida
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Wood Stork at sunset - Eco Pond, Everglades National Park, Florida
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Sunset-lit clouds and silhouetted bird - Myakka River State Park, Florida
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Sunset-lit storm clouds and Great Egret flying - Myakka River State Park, Florida
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Sunset-lit storm clouds and Tricolored Heron fishing - Myakka River State Park, Florida
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Eastern Diamondback Rattlesnake - Everglades National Park, Florida
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Eastern Diamondback Rattlesnake - Everglades National Park, Florida
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Eastern Diamondback Rattlesnake - Everglades National Park, Florida
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Lightning over Florida Bay - Everglades National Park, Florida
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Lightning and park road - Everglades National Park, Florida
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Crows and storm clouds - Everglades National Park, Florida
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Lightning over Nine Mile Pond - Everglades National Park, Florida
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Lightning over Nine Mile Pond - Everglades National Park, Florida
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Moonrise and alpenglow clouds over the Gila Wilderness - New Mexico
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Dramatic lightning - Badlands National Park, South Dakota
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Picturesque lightning - Badlands National Park, South Dakota
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Picturesque lightning - Badlands National Park, South Dakota
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Whale's mouth cloud - Badlands National Park, South Dakota
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Squall line - Badlands National Park, South Dakota
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Bighorn Sheep silhouetted at dusk - Badlands National Park, South Dakota
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Bighorn Sheep on grass-covered hill - Badlands National Park, South Dakota
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Well-camouflaged Bighorn Sheep lamb - Badlands National Park, South Dakota
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Bighorn Sheep - Badlands National Park, South Dakota
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Bighorn Sheep surveying its domain - Badlands National Park, South Dakota
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Tornado in west Oklahoma oilfield - Fairview, Oklahoma
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Distant storm - Norman, Oklahoma
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Cascades on Indian Creek - Great Smoky Mountains National Park, North Carolina
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Cascade on Indian Creek - Great Smoky Mountains National Park, North Carolina
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Jeep in Cades Cove - Great Smoky Mountains National Park, Tennessee
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Laurel Creek - Great Smoky Mountains National Park, Tennessee
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Couple reading by lantern light - Great Smoky Mountains National Park, Tennessee
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Bicyclist on Gainesville-Hawthorne State Trail - Paynes Prairie Preserve State Park, Florida
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Cabbage Palm reflected in pond - Lower Suwannee National Wildlife Refuge, Florida
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Dog on path - Bairnsdale, Victoria, Australia
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Monsoon-fed waterfall - Kakadu National Park, Northern Territory, Australia
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Monsoon storms - Kakadu National Park, Northern Territory, Australia
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Australian Darter taking flight - Yellow Water Wetlands, Kakadu National Park, Northern Territory, Australia
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Flowering Lotus - Yellow Water Wetlands, Kakadu National Park, Northern Territory, Australia
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Yellow Water Wetlands - Kakadu National Park, Northern Territory, Australia
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Comb-crested Jacana - Yellow Water Wetlands, Kakadu National Park, Northern Territory, Australia
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Australian Darter with fish - Yellow Water Wetlands, Kakadu National Park, Northern Territory, Australia
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Monsoonal storm clouds over Gulf of Carpentaria coast - Northern Territory, Australia
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Autumn leaves reflected by rippling pond - Francis Beidler Forest, South Carolina
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Eagle Lake trees in fog - Acadia National Park, Maine
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Dawn at Hodgdon Pond - Acadia National Park, Maine
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Dawn at Hodgdon Pond - Acadia National Park, Maine
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Greater Flamingo - Disney Animal Kingdom Lodge, Florida
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Rainbow and lone tree - Gainesville, Florida
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Sunrise - Buffalo River, Arkansas
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Fern falls and canoe - Buffalo River, Arkansas
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Lightning - near Gainesville, Florida
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Lightning - near Gainesville, Florida
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Lightning - near Gainesville, Florida
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Lightning - near Gainesville, Florida
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Tornado passing behind farmhouse - rural South Dakota
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Cone tornado and sunlit field - Faith, South Dakota
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Storm chasers photograph tornado passing behind church - near Howes, South Dakota
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Storm chasers photograph tornado passing behind church - near Howes, South Dakota
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Tornado - near Roscoe, South Dakota
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Hail on the way - Stinnett, Texas
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Mesocyclone and Lightning - Dumas, Texas
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Black-tailed Prairie Dogs - Wichita Mountains Wildlife Refuge, Oklahoma
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Black-tailed Prairie Dogs - Wichita Mountains Wildlife Refuge, Oklahoma
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Black-tailed Prairie Dog - Wichita Mountains Wildlife Refuge, Oklahoma
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Black-tailed Prairie Dogs - Wichita Mountains Wildlife Refuge, Oklahoma
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Black-tailed Prairie Dogs - Wichita Mountains Wildlife Refuge, Oklahoma
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Black-tailed Prairie Dogs - Wichita Mountains Wildlife Refuge, Oklahoma
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Western Kingbird eating grasshopper - Comanche National Grasslands, Colorado
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The Creature - Comanche National Grasslands, Colorado
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Orchid - Atlanta Botanical Garden, Atlanta, Georgia
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Georgia Aquarium - Atlanta, Georgia
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Yellow Rat Snake - San Felasco Hammock Preserve State Park, Florida
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Boat-tailed Grackle in Willow Tree - Paynes Prairie Preserve State Park, Florida
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Bromeliad and log - Marie Selby Botanical Gardens, Sarasota, Florida
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Anhinga grooming - Paynes Prairie Preserve State Park, Florida
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Mandrill - Franklin Park Zoo, Boston, Massachusetts
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Wattled Crane eye - Franklin Park Zoo, Boston, Massachusetts
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Japanese Sea Nettle - New England Aquarium, Boston, Massachusetts
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Red-tailed Hawk feeding on pigeon - Boston, Massachusetts
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Lightning striking the Gulf of Mexico - Sanibel Island, Florida
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Snowy Egret - J.N. Ding Darling National Wildlife Refuge, Florida
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Milky Way and Sagittarius - Upper Missouri River Breaks National Monument, Montana
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Lightning and stars over the Gulf of Mexico - Captiva, Florida
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Rainbow - Upper Missouri River Breaks National Monument, Montana
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Meadow and tent at sunset - Upper Missouri River Breaks National Monument, Montana
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Lightning - Albuquerque, New Mexico
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Pastel clouds - Orange Lake, Florida
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Rainbow, lightning, and anticrepuscular rays - Fort Stockton, Texas
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Desert rainbow - near Marathon, Texas
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Mammatus and trees - Fort Worth, Texas
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Mammatus clouds and airplane - Arlington, Texas
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Severe thunderstorm - Fort Worth, Texas
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Great Egret - Malheur National Wildlife Refuge, Oregon
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Canadian Geese - near Steens Mountain, Oregon
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Rough-legged Hawk - Hines, Oregon
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Tree Swallow in flight - Malheur National Wildlife Refuge, Oregon
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American Alligator during the dry season - Kissimmee Prairie Preserve State Park, Florida
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Wild Turkeys on road - Kissimmee Prairie Preserve State Park, Florida
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White-tailed Deer - Kissimmee Prairie Preserve State Park, Florida
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Yellow-throated Miner - Arno Bay, Australia
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The constellation Orion over a tent - Death Valley National Park, California
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Eureka Dunes - Death Valley National Park, California
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Moonrise over cliff - Death Valley National Park, California
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Eureka Dunes - Death Valley National Park, California
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Red Panda - National Zoo, Washington, DC
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Female Elk at sunset - Humboldt Lagoons State Park, California
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Otters playing - National Zoo, Washington, DC
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Sloth Bears playing - National Zoo, Washington, DC
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Cheetah napping in grass - National Zoo, Washington, DC
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Lion exhibiting a flehmen response - National Zoo, Washington, DC
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Osprey with fish - Bald Point State Park, Florida
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Great Horned Owl - Gainesville, Florida
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Florida Box Turtle - Paynes Prairie Preserve State Park, Florida
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Southern Fence Lizard - O'Leno State Park, Florida
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Water drops on American Lotus leaf - Lake Lochloosa, Florida
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Cedar Creek - Congaree National Park, South Carolina
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Golden Silk Spider - Gainesville, Florida
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Funnel cloud - near La Crosse, Kansas
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Wall cloud - near La Crosse, Kansas
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Ragged wall cloud - near Collyer, Kansas
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Sabal Palm sunset - Kissimmee Prairie Preserve State Park, Florida
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Gull exhibiting drop-catch behavior - Lauderdale-by-the-Sea, Florida
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Gull exhibiting drop-catch behavior - Lauderdale-by-the-Sea, Florida
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American Herring Gull - Anastasia State Park, Florida
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Gulls exhibiting drop-catch behavior - Lauderdale-by-the-Sea, Florida
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Girl on beach at sunset - Captiva Island, Florida
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Feral Green Iguana - Hugh Taylor Birch State Park, Florida
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Backlit grass stems - Allen David Broussard Catfish Creek State Preserve, Florida
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Jambu Fruit Dove - Cincinnati Zoo and Botanical Garden, Ohio
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Rhesus Macaque grooming infant - Silver Springs River, Florida
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Rock formation on Upheaval Dome Trail - Canyonlands National Park, Utah
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View over Stillwater Canyon and the Green River - Canyonlands National Park, Utah
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Turks Head mesa and the Green River - Canyonlands National Park, Utah
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Thunderstorm - Dead Horse Point, Utah
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Rocky Mountain ridgelines at dawn - Idaho-Montana border
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Brown Bear - Woodland Park Zoo, Seattle, Washington
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Bobcat - Gainesville, Florida
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Bobcat - Gainesville, Florida
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Steller's Sea Eagle - Cincinnati Zoo and Botanical Garden, Ohio
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Gum trees at dusk - Bairnsdale, Victoria, Australia
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Bobcat - Gainesville, Florida
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Camas Creek - Ukiah-Dale Forest State Scenic Corridor, Oregon
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Latourell Falls - Columbia River Gorge, Oregon
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Cypress swamp along River Styx - Alachua County, Florida