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    • Behavior
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Humpback Whale (Megaptera novaeangliae) trio gulp feeding, Inside Passage, southeast Alaska  -  Hiroya Minakuchi / Minden
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Hiroya Minakuchi / Minden / Humpback Whale (Megaptera novaeangliae) trio gulp feeding, Inside Passage, southeast Alaska
Black-headed Cat Snake (Boiga nigriceps) swallowing alive Harlequin Flying Tree Frog (Rhacophorus pardalis) prey, Kubah National Park, Sarawak, Malaysia, sequence 1 of 4  -  Chien Lee / Minden
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Chien Lee / Minden / Black-headed Cat Snake (Boiga nigriceps) swallowing alive Harlequin Flying Tree Frog (Rhacophorus pardalis) prey, Kubah National Park, Sarawak, Malaysia, sequence 1 of 4
Jaguar (Panthera onca) predating Spectacled Caiman (Caiman crocodilus) in river, Pantanal, Brazil  -  Daniel J. Cox / Minden
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Daniel J. Cox / Minden / Jaguar (Panthera onca) predating Spectacled Caiman (Caiman crocodilus) in river, Pantanal, Brazil
Northern Goshawk (Accipiter gentilis) feeding on Black Grouse (Tetrao tetrix) female in winter, Finland  -  Sergey Gorshkov / Minden
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Sergey Gorshkov / Minden / Northern Goshawk (Accipiter gentilis) feeding on Black Grouse (Tetrao tetrix) female in winter, Finland
European Bee-eater (Merops apiaster) pair, Pleven, Bulgaria  -  Winfried Wisniewski
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Winfried Wisniewski / European Bee-eater (Merops apiaster) pair, Pleven, Bulgaria
A mating pair of leopards (Panthera pardus) caught in front of a camera trap at night, Laikipia Wilderness Camp, Kenya. Photographed with a camera trap. EDITORIAL USE ONLY. All other uses require clea...  -  Will Burrard-Lucas
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Will Burrard-Lucas / A mating pair of leopards (Panthera pardus) caught in front of a camera trap at night, Laikipia Wilderness Camp, Kenya. Photographed with a camera trap. EDITORIAL USE ONLY. All other uses require clea...
Arctic terns (Sterna paradisaea), two in flight over nesting colony in field of buttercups (Ranunculus sp.), Keflavik, Iceland. Digital canvas expansion.  -  Marie  Read
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Marie Read / Arctic terns (Sterna paradisaea), two in flight over nesting colony in field of buttercups (Ranunculus sp.), Keflavik, Iceland. Digital canvas expansion.
American Robin (Turdus migratorius), feeding on winterberry (Ilex) fruits in winter, New York, USA, December.  -  Marie  Read
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Marie Read / American Robin (Turdus migratorius), feeding on winterberry (Ilex) fruits in winter, New York, USA, December.
American avocets (Recurvirostra americana) two during aggressive (territorial) encounter, Bear River Migratory Bird Refuge, Utah, USA, May.  -  Marie  Read
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Marie Read / American avocets (Recurvirostra americana) two during aggressive (territorial) encounter, Bear River Migratory Bird Refuge, Utah, USA, May.
American avocet (Recurvirostra americana), adult in breeding plumage foraging by sweeping its bill from side to side through shallow water, Orange County, California, USA, April.  -  Marie  Read
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Marie Read / American avocet (Recurvirostra americana), adult in breeding plumage foraging by sweeping its bill from side to side through shallow water, Orange County, California, USA, April.
Canada geese (Branta canadensis) two during territorial fight in early spring, Ithaca. New York, USA  -  Marie  Read
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Marie Read / Canada geese (Branta canadensis) two during territorial fight in early spring, Ithaca. New York, USA
Black-necked stilts (Himantopus mexicanus) pair performing post-copulatory display (as copulation ends, the male slides off the female leaving his wings draped over her and crossing his bill with hers...  -  Marie  Read
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Marie Read / Black-necked stilts (Himantopus mexicanus) pair performing post-copulatory display (as copulation ends, the male slides off the female leaving his wings draped over her and crossing his bill with hers...
Blue jay (Cyanocitta cristata) holding an acorn in its bill whilst perched on tree stump, with autumn foliage, New York, USA, October.  -  Marie  Read
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Marie Read / Blue jay (Cyanocitta cristata) holding an acorn in its bill whilst perched on tree stump, with autumn foliage, New York, USA, October.
Common loons (Gavia immer), two adults and chick swimming on a misty lake in early morning, Michigan, USA. June.  -  Marie  Read
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Marie Read / Common loons (Gavia immer), two adults and chick swimming on a misty lake in early morning, Michigan, USA. June.
Eastern bluebird (Sialia sialis) male fluttering wings while perched on cherry (Prunus sp.) branch in spring, New York, USA, April.  -  Marie  Read
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Marie Read / Eastern bluebird (Sialia sialis) male fluttering wings while perched on cherry (Prunus sp.) branch in spring, New York, USA, April.
Western Grebe (Aechmorphus occidentalis), pair during 'rushing' courtship display in which they run across water's surface in synchrony, near Escondido, California, USA, January.  -  Marie  Read
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Marie Read / Western Grebe (Aechmorphus occidentalis), pair during 'rushing' courtship display in which they run across water's surface in synchrony, near Escondido, California, USA, January.
Wood Ducks (Aix sponsa), females behave aggressively toward a male (second from right) that is trying to join them on a floating log, autumn, New York, USA, October.  -  Marie  Read
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Marie Read / Wood Ducks (Aix sponsa), females behave aggressively toward a male (second from right) that is trying to join them on a floating log, autumn, New York, USA, October.
Horned Puffin (Fratercula corniculata) flying over a pattern of kelp and sea foam, photographed from above, St. Paul, Pribilof Islands, Alaska, USA. July.  -  Marie  Read
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Marie Read / Horned Puffin (Fratercula corniculata) flying over a pattern of kelp and sea foam, photographed from above, St. Paul, Pribilof Islands, Alaska, USA. July.
Roseate spoonbill (Ajaia ajaja) adult in breeding plumage preening tail feathers, Black Point Wildlife Drive, Merritt Island National Wildlife Refuge, Florida, USA, January.  -  Marie  Read
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Marie Read / Roseate spoonbill (Ajaia ajaja) adult in breeding plumage preening tail feathers, Black Point Wildlife Drive, Merritt Island National Wildlife Refuge, Florida, USA, January.
Ruby-throated Hummingbird (Archilocus colubris), male flying in to feed from cardinal flowers (Lobelia cardinalis) New York, USA. August.  -  Marie  Read
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Marie Read / Ruby-throated Hummingbird (Archilocus colubris), male flying in to feed from cardinal flowers (Lobelia cardinalis) New York, USA. August.
Red-winged Blackbird (Agelaius phoeniceus) male displaying in cattail marsh, Viera Wetlands, Brevard County, Florida, USA, January.  -  Marie  Read
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Marie Read / Red-winged Blackbird (Agelaius phoeniceus) male displaying in cattail marsh, Viera Wetlands, Brevard County, Florida, USA, January.
Snow buntings (Plectrophenax nivalis) flock in flight during a snowstorm, New York, USA, January.  -  Marie  Read
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Marie Read / Snow buntings (Plectrophenax nivalis) flock in flight during a snowstorm, New York, USA, January.
Great crested grebe (Podiceps cristatus) adults courting and greeting each other to confirm their bond. Even with the young chicks already out they often show courtship behavior to each other, Valkenh...  -  David  Pattyn
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David Pattyn / Great crested grebe (Podiceps cristatus) adults courting and greeting each other to confirm their bond. Even with the young chicks already out they often show courtship behavior to each other, Valkenh...
White Stork (Ciconia ciconia) group and Common Raven (Corvus corax) foraging at garbage dump, Morocco  -  Roland Seitre
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Roland Seitre / White Stork (Ciconia ciconia) group and Common Raven (Corvus corax) foraging at garbage dump, Morocco
Bonobo (Pan paniscus) mother carrying young, native to central Africa  -  Juergen & Christine Sohns
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Juergen & Christine Sohns / Bonobo (Pan paniscus) mother carrying young, native to central Africa
Adelie Penguin (Pygoscelis adeliae) flapping on iceberg, Antarctic Peninsula, Antarctica  -  Yva Momatiuk & John Eastcott
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Yva Momatiuk & John Eastcott / Adelie Penguin (Pygoscelis adeliae) flapping on iceberg, Antarctic Peninsula, Antarctica
Gentoo Penguin (Pygoscelis papua) parent feeding begging chicks on nest, Booth Island, Antarctic Peninsula, Antarctica  -  Yva Momatiuk & John Eastcott
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Yva Momatiuk & John Eastcott / Gentoo Penguin (Pygoscelis papua) parent feeding begging chicks on nest, Booth Island, Antarctic Peninsula, Antarctica
Galapagos Sea Lion (Zalophus wollebaeki) pup playing with stick, Santa Fe Island, Galapagos Islands, Ecuador  -  Suzi Eszterhas
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Suzi Eszterhas / Galapagos Sea Lion (Zalophus wollebaeki) pup playing with stick, Santa Fe Island, Galapagos Islands, Ecuador
Sandhill Crane (Grus canadensis) parent tending chick in nest, Kensington Metropark, Michigan  -  Steve Gettle
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Steve Gettle / Sandhill Crane (Grus canadensis) parent tending chick in nest, Kensington Metropark, Michigan
Warthog (Phacochoerus africanus) kneeling to feed, Ngorongoro Crater, Ngorongoro Conservation Area, Tanzania  -  Steve Gettle
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Steve Gettle / Warthog (Phacochoerus africanus) kneeling to feed, Ngorongoro Crater, Ngorongoro Conservation Area, Tanzania
Mountain Goat (Oreamnos americanus) kids playing on rocks, Mount Evans, Colorado  -  Steve Gettle
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Steve Gettle / Mountain Goat (Oreamnos americanus) kids playing on rocks, Mount Evans, Colorado
Banded Archerfish (Toxotes jaculator) spitting, native to Asia  -  Steve Gettle
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Steve Gettle / Banded Archerfish (Toxotes jaculator) spitting, native to Asia
Banded Archerfish (Toxotes jaculator) spitting, native to Asia  -  Steve Gettle
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Steve Gettle / Banded Archerfish (Toxotes jaculator) spitting, native to Asia
Great White Shark (Carcharodon carcharias) feeding on Humpback Whale (Megaptera novaeangliae) carcass, Monterey Bay, California  -  Ralph Pace
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Ralph Pace / Great White Shark (Carcharodon carcharias) feeding on Humpback Whale (Megaptera novaeangliae) carcass, Monterey Bay, California
Great White Shark (Carcharodon carcharias) feeding on Humpback Whale (Megaptera novaeangliae) carcass, Monterey Bay, California  -  Ralph Pace
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Ralph Pace / Great White Shark (Carcharodon carcharias) feeding on Humpback Whale (Megaptera novaeangliae) carcass, Monterey Bay, California
California Sea Lion (Zalophus californianus) playing with discarded N-95 mask in kelp forest, Monterey Bay, California  -  Ralph Pace
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Ralph Pace / California Sea Lion (Zalophus californianus) playing with discarded N-95 mask in kelp forest, Monterey Bay, California
Siberian Husky (Canis familiaris) puppy running in winter, North America  -  Mark Raycroft
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Mark Raycroft / Siberian Husky (Canis familiaris) puppy running in winter, North America
Chesapeake Bay Retriever (Canis familiaris) running, North America  -  Mark Raycroft
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Mark Raycroft / Chesapeake Bay Retriever (Canis familiaris) running, North America
African Elephant (Loxodonta africana) calf and juvenile playing, Masai Mara, Kenya  -  Anup Shah
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Anup Shah / African Elephant (Loxodonta africana) calf and juvenile playing, Masai Mara, Kenya
White-tailed Deer (Odocoileus virginianus) buck feeding on fruit, western Montana  -  Donald M. Jones
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Donald M. Jones / White-tailed Deer (Odocoileus virginianus) buck feeding on fruit, western Montana
Pileated Woodpecker (Dryocopus pileatus) mother at nest cavity with begging chicks, Montana  -  Donald M. Jones
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Donald M. Jones / Pileated Woodpecker (Dryocopus pileatus) mother at nest cavity with begging chicks, Montana
Black Bear (Ursus americanus) rubbing against trees, Montana  -  Donald M. Jones
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Donald M. Jones / Black Bear (Ursus americanus) rubbing against trees, Montana
American Darter (Anhinga anhinga) swallowing fish prey, Venice, Florida  -  Donald M. Jones
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Donald M. Jones / American Darter (Anhinga anhinga) swallowing fish prey, Venice, Florida
American Darter (Anhinga anhinga) swallowing fish prey, Viera Wetlands, Florida  -  Donald M. Jones
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Donald M. Jones / American Darter (Anhinga anhinga) swallowing fish prey, Viera Wetlands, Florida
Cheetah (Acinonyx jubatus) running, South Africa  -  Richard Du Toit
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Richard Du Toit / Cheetah (Acinonyx jubatus) running, South Africa
Gray Whale (Eschrichtius robustus) calf playing at surface, San Ignacio Lagoon, Baja California, Mexico  -  Chase Dekker
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Chase Dekker / Gray Whale (Eschrichtius robustus) calf playing at surface, San Ignacio Lagoon, Baja California, Mexico
Sea Otter (Enhydra lutris) mother carrying pup, Elkhorn Slough, Monterey Bay, California  -  Sebastian Kennerknecht
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Sebastian Kennerknecht / Sea Otter (Enhydra lutris) mother carrying pup, Elkhorn Slough, Monterey Bay, California
Mountain Lion (Puma concolor) six month old female and male kitten, Torres del Paine National Park, Patagonia, Chile  -  Sebastian Kennerknecht
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Sebastian Kennerknecht / Mountain Lion (Puma concolor) six month old female and male kitten, Torres del Paine National Park, Patagonia, Chile
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