• Results for
    • Behavior
  • (5000 of 67742)
Arctic terns (Sterna paradisaea), two in flight over nesting colony in field of buttercups (Ranunculus sp.), Keflavik, Iceland. Digital canvas expansion. - Marie  Read
01622814
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
01622813
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
01622808
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
01622807
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
01622801
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
01622799
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
01622797
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
01622781
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
01622777
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
01622761
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
01622758
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
01622751
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
01622745
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
01622744
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
01622739
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
01622735
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
01621191
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...
Swallow-tailed Gull (Creagrus furcatus) parent brooding chick, Plazas Island, Galapagos Islands, Ecuador - Tui De Roy
00599694
Tui De Roy / Swallow-tailed Gull (Creagrus furcatus) parent brooding chick, Plazas Island, Galapagos Islands, Ecuador
Pinzon Island Tortoise (Chelonoidis nigra ephippium) pair fighting, Pinzon Island, Galapagos Islands, Ecuador - Tui De Roy
00599686
Tui De Roy / Pinzon Island Tortoise (Chelonoidis nigra ephippium) pair fighting, Pinzon Island, Galapagos Islands, Ecuador
Galapagos Sea Lion (Zalophus wollebaeki) swallowing fish prey, Punta Vicente Roca, Isabela Island, Galapagos Islands, Ecuador - Tui De Roy
00599620
Tui De Roy / Galapagos Sea Lion (Zalophus wollebaeki) swallowing fish prey, Punta Vicente Roca, Isabela Island, Galapagos Islands, Ecuador
Humpback Whale (Megaptera novaeangliae) accidentally traps California Sea Lion (Zalophus californianus) in mouth while gulp feeding, Monterey Bay, California, sequence 1 of 4 - Chase Dekker
00599492
Chase Dekker / Humpback Whale (Megaptera novaeangliae) accidentally traps California Sea Lion (Zalophus californianus) in mouth while gulp feeding, Monterey Bay, California, sequence 1 of 4
Sea Otter (Enhydra lutris) feeding on Dungeness Crab (Cancer magister) prey, Monterey Bay, California - Chase Dekker
00599482
Chase Dekker / Sea Otter (Enhydra lutris) feeding on Dungeness Crab (Cancer magister) prey, Monterey Bay, California
Humpback Whale (Megaptera novaeangliae) gulp feeding on Northern Anchovy (Engraulis mordax), Monterey Bay, California - Chase Dekker
00599480
Chase Dekker / Humpback Whale (Megaptera novaeangliae) gulp feeding on Northern Anchovy (Engraulis mordax), Monterey Bay, California
Humpback Whale (Megaptera novaeangliae) gulp feeding on Northern Anchovy (Engraulis mordax), Monterey Bay, California - Chase Dekker
00599478
Chase Dekker / Humpback Whale (Megaptera novaeangliae) gulp feeding on Northern Anchovy (Engraulis mordax), Monterey Bay, California
Peacock Katydid (Pterochroza ocellata) in defensive posture, Tambopata-Candamo Nature Reserve, Peru - Paul Bertner
00599325
Paul Bertner / Peacock Katydid (Pterochroza ocellata) in defensive posture, Tambopata-Candamo Nature Reserve, Peru
Leopard (Panthera pardus) with Warthog (Phacochoerus africanus) piglet prey, Masai Mara, Kenya - Winfried Wisniewski
00599206
Winfried Wisniewski / Leopard (Panthera pardus) with Warthog (Phacochoerus africanus) piglet prey, Masai Mara, Kenya
Bumblebee (Bombus sp) on flower, Juneau, Alaska - Kevin Schafer
00598758
Kevin Schafer / Bumblebee (Bombus sp) on flower, Juneau, Alaska
Polar Bear (Ursus maritimus) cooling off, Spitsbergen, Svalbard, Norway - Jami Tarris
00598601
Jami Tarris / Polar Bear (Ursus maritimus) cooling off, Spitsbergen, Svalbard, Norway
Polar Bear (Ursus maritimus) hunting Bearded Seal (Erignathus barbatus) pup, Spitsbergen, Svalbard, Norway - Jami Tarris
00598593
Jami Tarris / Polar Bear (Ursus maritimus) hunting Bearded Seal (Erignathus barbatus) pup, Spitsbergen, Svalbard, Norway
African Wild Dog (Lycaon pictus) group attacking Cape Warthog (Phacochoerus aethiopicus), Tswalu Game Reserve, South Africa - Juergen & Christine Sohns
00598485
Juergen & Christine Sohns / African Wild Dog (Lycaon pictus) group attacking Cape Warthog (Phacochoerus aethiopicus), Tswalu Game Reserve, South Africa
Budgerigar (Melopsittacus undulatus) father with begging chick at nest cavity, Queensland, Australia - Martin Willis
00597584
Martin Willis / Budgerigar (Melopsittacus undulatus) father with begging chick at nest cavity, Queensland, Australia
Veined Octopus (Octopus marginatus) hiding in bottle, Anilao, Philippines - Gary Bell/ Oceanwide
00597353
Gary Bell/ Oceanwide / Veined Octopus (Octopus marginatus) hiding in bottle, Anilao, Philippines
Veined Octopus (Octopus marginatus) hiding in glass jar, Lembeh Strait, Indonesia - Gary Bell/ Oceanwide
00597349
Gary Bell/ Oceanwide / Veined Octopus (Octopus marginatus) hiding in glass jar, Lembeh Strait, Indonesia
Veined Octopus (Octopus marginatus) predating urchin, Anilao, Philippines - Gary Bell/ Oceanwide
00597343
Gary Bell/ Oceanwide / Veined Octopus (Octopus marginatus) predating urchin, Anilao, Philippines
Australian Giant Cuttlefish (Sepia apama) males fighting over female, Whyalla, South Australia, Australia - Gary Bell/ Oceanwide
00597320
Gary Bell/ Oceanwide / Australian Giant Cuttlefish (Sepia apama) males fighting over female, Whyalla, South Australia, Australia
Australian Giant Cuttlefish (Sepia apama) males fighting over female, Whyalla, South Australia, Australia - Gary Bell/ Oceanwide
00597319
Gary Bell/ Oceanwide / Australian Giant Cuttlefish (Sepia apama) males fighting over female, Whyalla, South Australia, Australia
Variegated Jawfish (Opistognathus solorensis) male brooding eggs in mouth, Anilao, Philippines - Gary Bell/ Oceanwide
00597151
Gary Bell/ Oceanwide / Variegated Jawfish (Opistognathus solorensis) male brooding eggs in mouth, Anilao, Philippines
Variegated Jawfish (Opistognathus solorensis) male brooding eggs in mouth, Anilao, Philippines - Gary Bell/ Oceanwide
00597149
Gary Bell/ Oceanwide / Variegated Jawfish (Opistognathus solorensis) male brooding eggs in mouth, Anilao, Philippines
Humpback Whale (Megaptera novaeangliae) pod gulp feeding on Northern Anchovy (Engraulis mordax), Monterey Bay, California - Chase Dekker
00596679
Chase Dekker / Humpback Whale (Megaptera novaeangliae) pod gulp feeding on Northern Anchovy (Engraulis mordax), Monterey Bay, California
Leopard (Panthera pardus) six-week-old cub nursing, Jao Reserve, Botswana - Suzi Eszterhas
00596002
Suzi Eszterhas / Leopard (Panthera pardus) six-week-old cub nursing, Jao Reserve, Botswana
Leopard (Panthera pardus) six-week-old cubs playing, Jao Reserve, Botswana - Suzi Eszterhas
00596001
Suzi Eszterhas / Leopard (Panthera pardus) six-week-old cubs playing, Jao Reserve, Botswana
Leopard (Panthera pardus) mother playing with her six-week-old cub, Jao Reserve, Botswana - Suzi Eszterhas
00595971
Suzi Eszterhas / Leopard (Panthera pardus) mother playing with her six-week-old cub, Jao Reserve, Botswana
Leopard (Panthera pardus) five-week-old cub playing with mother's tail, Jao Reserve, Botswana - Suzi Eszterhas
00595931
Suzi Eszterhas / Leopard (Panthera pardus) five-week-old cub playing with mother's tail, Jao Reserve, Botswana
Leopard (Panthera pardus) five-week-old cub playing with mother, Jao Reserve, Botswana - Suzi Eszterhas
00595928
Suzi Eszterhas / Leopard (Panthera pardus) five-week-old cub playing with mother, Jao Reserve, Botswana
Barn Owl (Tyto alba) flying with rodent prey, Texas - Alan Murphy/ BIA
00594594
Alan Murphy/ BIA / Barn Owl (Tyto alba) flying with rodent prey, Texas
Northern Caracara (Caracara cheriway) pair fighting, Texas - Alan Murphy/ BIA
00594575
Alan Murphy/ BIA / Northern Caracara (Caracara cheriway) pair fighting, Texas
Belted Kingfisher (Megaceryle alcyon) fishing, Texas - Alan Murphy/ BIA
00594572
Alan Murphy/ BIA / Belted Kingfisher (Megaceryle alcyon) fishing, Texas
Baltimore Oriole (Icterus galbula) males fighting, Texas - Alan Murphy/ BIA
00594551
Alan Murphy/ BIA / Baltimore Oriole (Icterus galbula) males fighting, Texas
Next page