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506 images for KEYSTONE SPECIES
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Polar bear (Ursus maritimus), boar swims in an icy inlet along Spitsbergen and the northwest coast of the Svalbard Archipelag...
Polar bear (Ursus maritimus), boar swims in an icy inlet along Spitsbergen and the northwest coast of the Svalbard Archipelago, Norway, Greenland Sea, Summer
National Geographic photographer Joel Sartore filming the Leopard seal Hydrurga leptonyx, which is the second largest species...
National Geographic photographer Joel Sartore filming the Leopard seal Hydrurga leptonyx, which is the second largest species of seal in the Antarctic after the Southern Elephant Seal, and is near the top of the Antarctic food chain It can live twent
National Geographic photographer Joel Sartore and his wife Kathy kayaking with a leopard seal near Danco Island, Antarctica T...
National Geographic photographer Joel Sartore and his wife Kathy kayaking with a leopard seal near Danco Island, Antarctica The Leopard seal Hydrurga leptonyx is the second largest species of seal in the Antarctic after the Southern Elephant Seal, an
polar bear, Ursus maritimus, pair of curious spring cubs in the water along Bernard Spit, waiting for fall freeze up, 1002 ar...
polar bear, Ursus maritimus, pair of curious spring cubs in the water along Bernard Spit, waiting for fall freeze up, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
polar bears, Ursus maritimus, hanging out and walking over newly formed pack ice along Bernard Spit during fall freeze up, 10...
polar bears, Ursus maritimus, hanging out and walking over newly formed pack ice along Bernard Spit during fall freeze up, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska. The bears will soon head out off the coast to hunts their favorite prey of ringed seals.
Adult leopard seal Hydrurga leptonyx near the Antarctic Peninsula, Southern Ocean MORE INFO The leopard seal is the second la...
Adult leopard seal Hydrurga leptonyx near the Antarctic Peninsula, Southern Ocean MORE INFO The leopard seal is the second largest species of seal in the Antarctic after the Southern Elephant Seal, and is near the top of the Antarctic food chain It can
Cluster of ripe fruit of the saguaro cactus. Carnegiea gigantea. Synonym: Cereus giganteus. Fruit husk splits open and curls ...
Cluster of ripe fruit of the saguaro cactus. Carnegiea gigantea. Synonym: Cereus giganteus. Fruit husk splits open and curls back to reveal a sweet juicy mass of tiny black seeds inside, an important food for Sonoran Desert wildlife during the height of the summer dry season (June). Saguaro National Park, Tucson, Arizona, USA.
A polar bear (Ursus maritimus) sow nurses her spring cub outside their den in late wintertime, along the Arctic coast of Alas...
A polar bear (Ursus maritimus) sow nurses her spring cub outside their den in late wintertime, along the Arctic coast of Alaska.
Adult female leopard seal Hydrurga leptonyx hauled out on ice floe in Kayak Cove on Brabant Island near the Antarctic Peninsu...
Adult female leopard seal Hydrurga leptonyx hauled out on ice floe in Kayak Cove on Brabant Island near the Antarctic Peninsula, Southern Ocean. Adult female leopard seal Hydrurga leptonyx hauled out on ice floe in Kayak Cove on Brabant Island near the Antarctic Peninsula, Southern Ocean MORE INFO The leopard seal is the second largest species of seal in the Antarctic after the Southern Elephant Seal, and is second only to the Orca as apex predator, feeding on other seals as well as penguins an
polar bear, Ursus maritimus, fish eye view of a curious spring cub along Bernard Spit during fall freeze up, 1002 area of the...
polar bear, Ursus maritimus, fish eye view of a curious spring cub along Bernard Spit during fall freeze up, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
A polar bear (Ursus maritimus) sow with a pair of 2-year-old cubs hang out along a barrier island during the Fall freeze up, ...
A polar bear (Ursus maritimus) sow with a pair of 2-year-old cubs hang out along a barrier island during the Fall freeze up, Bernard Spit, off the 1002 area of the Arctic National Wildlife Refuge, Alaska.
Polar bear (Ursus maritimus) profile of a boar swimming in Sallyhammna, Spitsbergen and the northwest coast of the Svalbard A...
Polar bear (Ursus maritimus) profile of a boar swimming in Sallyhammna, Spitsbergen and the northwest coast of the Svalbard Archipelago, Norway, Greenland Sea, Summer
polar bear, Ursus maritimus, older sow scents the air as it waits for fall freeze up on a barrier island, Bernard Spit, 1002 ...
polar bear, Ursus maritimus, older sow scents the air as it waits for fall freeze up on a barrier island, Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, autumn
polar bear, Ursus maritimus, young bear travels across newly formed pack ice during fall freeze up, off the 1002 area of the ...
polar bear, Ursus maritimus, young bear travels across newly formed pack ice during fall freeze up, off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, autumn
A subadult young polar bear (Ursus maritimus) boar rests on newly formed pack ice during the Fall freeze up, off the 1002 are...
A subadult young polar bear (Ursus maritimus) boar rests on newly formed pack ice during the Fall freeze up, off the 1002 area of the Arctic National Wildlife Refuge, Alaska.
Adult sea otter Enhydra lutris kenyoni mother and pup in Inian Pass, Southeastern Alaska, USA Pacific Ocean MORE INFO: This s...
Adult sea otter Enhydra lutris kenyoni mother and pup in Inian Pass, Southeastern Alaska, USA Pacific Ocean MORE INFO: This sub-species ranges from the Aleutian Islands throughout southeast Alaska to Oregon Adult sea otters typically weigh between 14 a
A curious polar bear (Ursus maritimus) sow investigates a sailboat anchored in fjord ice off the coast of Svalbard, Norway, i...
A curious polar bear (Ursus maritimus) sow investigates a sailboat anchored in fjord ice off the coast of Svalbard, Norway, in summertime.
Polar bear (Ursus maritimus), boar swims in waters off Fuglefjorden, Spitsbergen and the northwest coast of the Svalbard Arch...
Polar bear (Ursus maritimus), boar swims in waters off Fuglefjorden, Spitsbergen and the northwest coast of the Svalbard Archipelago, Norway, Greenland Sea, Summer
Polar bear (Ursus maritimus) footprints in the snow along a barrier island during Fall freeze up, Bernard Spit, off the 1002 ...
Polar bear (Ursus maritimus) footprints in the snow along a barrier island during Fall freeze up, Bernard Spit, off the 1002 area of the Arctic National Wildlife Refuge, Alaska.
polar bear, Ursus maritimus, spring cub stands and tries to balance itself along Bernard Spit, 1002 area of the Arctic Nation...
polar bear, Ursus maritimus, spring cub stands and tries to balance itself along Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, autumn
polar bear, Ursus maritimus, young bear travels across newly formed pack ice during fall freeze up, off the 1002 area of the ...
polar bear, Ursus maritimus, young bear travels across newly formed pack ice during fall freeze up, off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, autumn
Adult female sea otter Enhydra lutris kenyoni eating urchins she has gathered off the sea floor in Inian Pass, Southeastern A...
Adult female sea otter Enhydra lutris kenyoni eating urchins she has gathered off the sea floor in Inian Pass, Southeastern Alaska, USA, Pacific Ocean
polar bear, Ursus maritimus, large boar walks along the coast during fall freeze up, 1002 area of the Arctic National Wildlif...
polar bear, Ursus maritimus, large boar walks along the coast during fall freeze up, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, autumn
polar bear, Ursus maritimus, pair of curious young bears along Bernard Spit, as they wait for fall freeze up along the coast,...
polar bear, Ursus maritimus, pair of curious young bears along Bernard Spit, as they wait for fall freeze up along the coast, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
A polar bear (Ursus maritimus) sow with a 2-year-old cub hangs out along a barrier island during the Fall freeze up, then the...
A polar bear (Ursus maritimus) sow with a 2-year-old cub hangs out along a barrier island during the Fall freeze up, then they will head out onto the sea ice to hunt seals, Bernard Spit, off the 1002 area of the Arctic National Wildlife Refuge, Alaska.
Deceased spring polar bear (Ursus maritimus) cub found along the coast of Svalbard, Norway, in summertime. The cub was found ...
Deceased spring polar bear (Ursus maritimus) cub found along the coast of Svalbard, Norway, in summertime. The cub was found with another cub; both probably died from starvation.
A large senior polar bear (Ursus maritimus) boar rises from a nap, brown sided from his dirt bed along Bernard Spit, off the ...
A large senior polar bear (Ursus maritimus) boar rises from a nap, brown sided from his dirt bed along Bernard Spit, off the 1002 area of the Arctic National Wildlife Refuge, Alaska.
Polar bear (Ursus maritimus), curious adult investigates a remote camera along a snowy hillside on Spitsbergen and the northw...
Polar bear (Ursus maritimus), curious adult investigates a remote camera along a snowy hillside on Spitsbergen and the northwest coast of the Svalbard Archipelago, Norway, Greenland Sea, Summer
A polar bear (Ursus maritimus) sow with a pair of spring cubs walk along a barrier island at dusk in Autumn, Bernard Spit, of...
A polar bear (Ursus maritimus) sow with a pair of spring cubs walk along a barrier island at dusk in Autumn, Bernard Spit, off the 1002 area of the Arctic National Wildlife Refuge, Alaska.
A large polar bear (Ursus maritimus) boar scavenges a bowhead whale (Balaena mysticetus) carcass left by Inupiaq subsistence ...
A large polar bear (Ursus maritimus) boar scavenges a bowhead whale (Balaena mysticetus) carcass left by Inupiaq subsistence hunters in autumn, Barter Island, off the 1002 area of the Arctic National Wildlife Refuge, Alaska.
polar bear, Ursus maritimus, large boar walks across Bernard Spit as it waits for fall freeze up, 1002 area of the Arctic Nat...
polar bear, Ursus maritimus, large boar walks across Bernard Spit as it waits for fall freeze up, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, autumn
USA, Alaska, Chukchi Sea, offshore from Barrow, Polar bear (Ursus maritimus), large bear traveling through rough jumbled pack...
USA, Alaska, Chukchi Sea, offshore from Barrow, Polar bear (Ursus maritimus), large bear traveling through rough jumbled pack ice over Chukchi Sea, spring
Adult leopard seal Hydrurga leptonyx at Coronation Island in the South Orkney Island Group, Southern Ocean MORE INFO The leop...
Adult leopard seal Hydrurga leptonyx at Coronation Island in the South Orkney Island Group, Southern Ocean MORE INFO The leopard seal is the second largest species of seal in the Antarctic after the Southern Elephant Seal, and is near the top of the Anta
Adult sea otter Enhydra lutris kenyoni in kelp bed in Inian Pass, Southeastern Alaska, USA Pacific Ocean MORE INFO: This sub-...
Adult sea otter Enhydra lutris kenyoni in kelp bed in Inian Pass, Southeastern Alaska, USA Pacific Ocean MORE INFO: This sub-species ranges from the Aleutian Islands throughout southeast Alaska to Oregon Adult sea otters typically weigh between 14 and
A large senior polar bear (Ursus maritimus) boar rests in a dirt bed along Bernard Spit as chilling winds whip around him, of...
A large senior polar bear (Ursus maritimus) boar rests in a dirt bed along Bernard Spit as chilling winds whip around him, off the 1002 area of the Arctic National Wildlife Refuge, Alaska.
polar bear, Ursus maritimus, fish eye view of a young bear along Bernard Spit during fall freeze up, 1002 area of the Arctic ...
polar bear, Ursus maritimus, fish eye view of a young bear along Bernard Spit during fall freeze up, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
polar bear, Ursus maritimus, fish eye view of a sow on the pack ice along the coast in morning, 1002 area of the Arctic Natio...
polar bear, Ursus maritimus, fish eye view of a sow on the pack ice along the coast in morning, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, autumn
polar bear, Ursus maritimus, shakes water off its coat as it waits heads out of the water, Bernard Spit, 1002 area of the Arc...
polar bear, Ursus maritimus, shakes water off its coat as it waits heads out of the water, Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, autumn
polar bear, Ursus maritimus, curious young bear along Bernard Spit, as it waits for fall freeze up along the coast, 1002 area...
polar bear, Ursus maritimus, curious young bear along Bernard Spit, as it waits for fall freeze up along the coast, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
An adult polar bear (Ursus maritimus) investigates gear and sleds of researchers on the pack ice over the Chukchi Sea. The be...
An adult polar bear (Ursus maritimus) investigates gear and sleds of researchers on the pack ice over the Chukchi Sea. The bear was observed stepping over the bear alarm wire used for keeping them away, checking out the gear, then purposefully tripping the wire on its way out.
polar bear, Ursus maritimus, older sow rolls around newly formed pack ice during fall freeze up, off the 1002 area of the Arc...
polar bear, Ursus maritimus, older sow rolls around newly formed pack ice during fall freeze up, off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, autumn
polar bear, Ursus maritimus, young bear stands on its hind legs and balances itself along the coast, Bernard Spit, 1002 area ...
polar bear, Ursus maritimus, young bear stands on its hind legs and balances itself along the coast, Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
A pair of large polar bear (Ursus maritimus) boars scavenge a bowhead whale (Balaena mysticetus) carcass left by Inupiaq subs...
A pair of large polar bear (Ursus maritimus) boars scavenge a bowhead whale (Balaena mysticetus) carcass left by Inupiaq subsistence hunters in autumn, Barter Island, off the 1002 area of the Arctic National Wildlife Refuge, Alaska.
polar bear, Ursus maritimus, curious young bear along Bernard Spit, as it waits for fall freeze up along the coast, 1002 area...
polar bear, Ursus maritimus, curious young bear along Bernard Spit, as it waits for fall freeze up along the coast, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
Adult female leopard seal Hydrurga leptonyx stalking juvenile Adélie penguins at Brown Bluff near the Antarctic Peninsula, S...
Adult female leopard seal Hydrurga leptonyx stalking juvenile Adélie penguins at Brown Bluff near the Antarctic Peninsula, Southern Ocean. Adult female leopard seal Hydrurga leptonyx stalking juvenile Adélie penguins at Brown Bluff near the Antarctic Peninsula, Southern Ocean MORE INFO The leopard seal is the second largest species of seal in the Antarctic after the Southern Elephant Seal, and is near the top of the Antarctic food chain It can live twenty-six years, possibly more Orcas are t
polar bear, Ursus maritimus, profile of a sow in the waters off Bernard Spit, as it waits along the coast for fall freeze up,...
polar bear, Ursus maritimus, profile of a sow in the waters off Bernard Spit, as it waits along the coast for fall freeze up, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, autumn
Polar bear (Ursus maritimus), climbs onto a piece of melting glacial ice floe, along Spitsbergen and the northwest coast of t...
Polar bear (Ursus maritimus), climbs onto a piece of melting glacial ice floe, along Spitsbergen and the northwest coast of the Svalbard Archipelago, Norway, Greenland Sea, Summer
polar bear, Ursus maritimus, spring cub stands and tries to balance itself along Bernard Spit, 1002 area of the Arctic Nation...
polar bear, Ursus maritimus, spring cub stands and tries to balance itself along Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, autumn
Polar bear (Ursus maritimus), boar feeds on a submerged fin whale carcass in shallow waters along Sallyhammna, Spitsbergen, S...
Polar bear (Ursus maritimus), boar feeds on a submerged fin whale carcass in shallow waters along Sallyhammna, Spitsbergen, Svalbard Archipelago, Norway, Greenland Sea, Summer
A large boar polar bear (Ursus maritimus) scents the air using its tongue, along the Arctic coast in Autumn, Barter Island, o...
A large boar polar bear (Ursus maritimus) scents the air using its tongue, along the Arctic coast in Autumn, Barter Island, off the 1002 area of the Arctic National Wildlife Refuge, Alaska.
Adult female leopard seal Hydrurga leptonyx killing and eating a juvenile Adélie penguin at Brown Bluff near the Antarctic P...
Adult female leopard seal Hydrurga leptonyx killing and eating a juvenile Adélie penguin at Brown Bluff near the Antarctic Peninsula, Southern Ocean. Adult female leopard seal Hydrurga leptonyx killing and eating a juvenile Adélie penguin at Brown Bluff near the Antarctic Peninsula, Southern Ocean MORE INFO The leopard seal is the second largest species of seal in the Antarctic after the Southern Elephant Seal, and is near the top of the Antarctic food chain It can live twenty-six years, poss
Lindblad Expeditions staff member Lisa Trotter next to a HUGE adult male leopard seal Hydrurga leptonyx hauled out on the bea...
Lindblad Expeditions staff member Lisa Trotter next to a HUGE adult male leopard seal Hydrurga leptonyx hauled out on the beach at Salisbury Plains in the Bay of Isles, Southern Ocean. Lindblad Expeditions staff member Lisa Trotter next to a HUGE adult male leopard seal Hydrurga leptonyx hauled out on the beach at Salisbury Plains in the Bay of Isles, Southern Ocean MORE INFO The leopard seal is the second largest species of seal in the Antarctic after the Southern Elephant Seal, and is near th
The Leopard seal Hydrurga leptonyx is the second largest species of seal in the Antarctic after the Southern Elephant Seal, a...
The Leopard seal Hydrurga leptonyx is the second largest species of seal in the Antarctic after the Southern Elephant Seal, and is near the top of the Antarctic food chain It can live twenty-six years, possibly more Orcas are the only natural predat
A large polar bear (Ursus maritimus) boar looks for food on a rock island off the coast of Svalbard, Norway, in summertime.
A polar bear (Ursus maritimus) sow plays with her spring cub outside their den in late wintertime, along the Arctic coast of ...
A polar bear (Ursus maritimus) sow plays with her spring cub outside their den in late wintertime, along the Arctic coast of Alaska.
A polar bear (Ursus maritimus) sow hunts for seals amidst the sea ice floating off the coast of Svalbard, Norway, in summerti...
A polar bear (Ursus maritimus) sow hunts for seals amidst the sea ice floating off the coast of Svalbard, Norway, in summertime.
polar bear, Ursus maritimus, curirous young bear swims in water along the coast, as it waits for fall freeze up, Beaufort Sea...
polar bear, Ursus maritimus, curirous young bear swims in water along the coast, as it waits for fall freeze up, Beaufort Sea, off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
tortoise,tortoises,reptile,reptiles,gopher tortoise,gopher,Gopherus polyphemus,animal,vertebrate,shell,head,legs,walking,movi...
tortoise,tortoises,reptile,reptiles,gopher tortoise,gopher,Gopherus polyphemus,animal,vertebrate,shell,head,legs,walking,moving,threatened,species,endangered,keystone,carapace
The Gray Wolf, being a keystone predator, is an integral component of the ecosystems to which it typically belongs. The wide ...
The Gray Wolf, being a keystone predator, is an integral component of the ecosystems to which it typically belongs. The wide range of habitats in which wolves can thrive reflects their adaptability as a species, and includes temperate forests, mountains,. The Gray Wolf, being a keystone predator, is an integral component of the ecosystems to which it typically belongs. The wide range of habitats in which wolves can thrive reflects their adaptability as a species, and includes temperate forests,
A polar bear (Ursus maritimus) sow walking on Andoyane island in Liefdefjorden, Svalbard archipelago, Norway, in summertime.
polar bear, Ursus maritimus, young bear rests on newly formed pack ice during fall freeze up, off the 1002 area of the Arctic...
polar bear, Ursus maritimus, young bear rests on newly formed pack ice during fall freeze up, off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, autumn
Adult female sea otter Enhydra lutris kenyoni eating urchins she has gathered off the sea floor in Inian Pass, Southeastern A...
Adult female sea otter Enhydra lutris kenyoni eating urchins she has gathered off the sea floor in Inian Pass, Southeastern Alaska, USA, Pacific Ocean
A polar bear (Ursus maritimus) sow hunts for seals amidst the sea ice floating off the coast of Svalbard, Norway, in summerti...
A polar bear (Ursus maritimus) sow hunts for seals amidst the sea ice floating off the coast of Svalbard, Norway, in summertime.
A large bloody faced polar bear (Ursus maritimus) boar scavenges a bowhead whale (Balaena mysticetus) carcass left by Inupiaq...
A large bloody faced polar bear (Ursus maritimus) boar scavenges a bowhead whale (Balaena mysticetus) carcass left by Inupiaq subsistence hunters in autumn, Barter Island, off the 1002 area of the Arctic National Wildlife Refuge, Alaska.
polar bear, Ursus maritimus, spring cub stands and tries to balance itself, almost as if it's dancing, along Bernard Spit, 10...
polar bear, Ursus maritimus, spring cub stands and tries to balance itself, almost as if it's dancing, along Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, autumn
polar bear, Ursus maritimus, curirous cub in the water as its mother looks on from the beach, Bernard Spit, 1002 area of the ...
polar bear, Ursus maritimus, curirous cub in the water as its mother looks on from the beach, Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
A large polar bear (Ursus maritimus) boar looks for food on a rock island off the coast of Svalbard, Norway, in summertime.
polar bear, Ursus maritimus, profile of a young bear in the water as it waits for fall freeze up, off Bernard Spit, 1002 area...
polar bear, Ursus maritimus, profile of a young bear in the water as it waits for fall freeze up, off Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, autumn
USA, Alaska, Chukchi Sea, offshore from Barrow, Polar bear (Ursus maritimus), large curious bear traveling through rough jumb...
USA, Alaska, Chukchi Sea, offshore from Barrow, Polar bear (Ursus maritimus), large curious bear traveling through rough jumbled pack ice over Chukchi Sea, spring
Adult sea otter Enhydra lutris kenyoni mother and pup in Inian Pass, Southeastern Alaska, USA Pacific Ocean MORE INFO: This s...
Adult sea otter Enhydra lutris kenyoni mother and pup in Inian Pass, Southeastern Alaska, USA Pacific Ocean MORE INFO: This sub-species ranges from the Aleutian Islands throughout southeast Alaska to Oregon Adult sea otters typically weigh between 14 a
Adult leopard seal Hydrurga leptonyx near the Antarctic Peninsula, Southern Ocean MORE INFO The leopard seal is the second la...
Adult leopard seal Hydrurga leptonyx near the Antarctic Peninsula, Southern Ocean MORE INFO The leopard seal is the second largest species of seal in the Antarctic after the Southern Elephant Seal, and is near the top of the Antarctic food chain It can
A curious polar bear (Ursus maritimus) sow investigates a sailboat anchored in fjord ice off the coast of Svalbard, Norway, i...
A curious polar bear (Ursus maritimus) sow investigates a sailboat anchored in fjord ice off the coast of Svalbard, Norway, in summertime.
polar bear, Ursus maritimus, fish eye view of a curious spring cub along Bernard Spit during fall freeze up, 1002 area of the...
polar bear, Ursus maritimus, fish eye view of a curious spring cub along Bernard Spit during fall freeze up, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
Adult sea otter Enhydra lutris kenyoni in kelp bed in Inian Pass, Southeastern Alaska, USA Pacific Ocean MORE INFO: This sub-...
Adult sea otter Enhydra lutris kenyoni in kelp bed in Inian Pass, Southeastern Alaska, USA Pacific Ocean MORE INFO: This sub-species ranges from the Aleutian Islands throughout southeast Alaska to Oregon Adult sea otters typically weigh between 14 and
polar bear, Ursus maritimus, curious spring cub along Bernard Spit during fall freeze up, 1002 area of the Arctic National Wi...
polar bear, Ursus maritimus, curious spring cub along Bernard Spit during fall freeze up, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
Adult leopard seal Hydrurga leptonyx near the Antarctic Peninsula, Southern Ocean MORE INFO The leopard seal is the second la...
Adult leopard seal Hydrurga leptonyx near the Antarctic Peninsula, Southern Ocean MORE INFO The leopard seal is the second largest species of seal in the Antarctic after the Southern Elephant Seal, and is near the top of the Antarctic food chain It can
polar bear, Ursus maritimus, young bear travels across newly formed pack ice during fall freeze up, off the 1002 area of the ...
polar bear, Ursus maritimus, young bear travels across newly formed pack ice during fall freeze up, off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, autumn
polar bear, Ursus maritimus, profile of a pair of cubs in the water as they wait for fall freeze up, along Bernard Spit, 1002...
polar bear, Ursus maritimus, profile of a pair of cubs in the water as they wait for fall freeze up, along Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, autumn
Adult leopard seal Hydrurga leptonyx near the Antarctic Peninsula, Southern Ocean MORE INFO The leopard seal is the second la...
Adult leopard seal Hydrurga leptonyx near the Antarctic Peninsula, Southern Ocean MORE INFO The leopard seal is the second largest species of seal in the Antarctic after the Southern Elephant Seal, and is near the top of the Antarctic food chain It can
polar bear, Ursus maritimus, sow nurses her spring cub along the coast during fall freeze up, 1002 area of the Arctic Nationa...
polar bear, Ursus maritimus, sow nurses her spring cub along the coast during fall freeze up, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
polar bear, Ursus maritimus, profile of a cub in the water as it waits for fall freeze up, off Bernard Spit, 1002 area of the...
polar bear, Ursus maritimus, profile of a cub in the water as it waits for fall freeze up, off Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, autumn
polar bear, Ursus maritimus, profile of a sow in the surf off Bernard Spit, as it waits along the coast for fall freeze up, 1...
polar bear, Ursus maritimus, profile of a sow in the surf off Bernard Spit, as it waits along the coast for fall freeze up, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, autumn
A young polar bear (Ursus maritimus) boar rolls around on newly-formed pack ice to either clean its coat or scratch its back,...
A young polar bear (Ursus maritimus) boar rolls around on newly-formed pack ice to either clean its coat or scratch its back, off the 1002 area of the Arctic National Wildlife Refuge, Alaska.
polar bear, Ursus maritimus, pair of spring cubs play with one another along Bernard Spit during fall freeze up, 1002 area of...
polar bear, Ursus maritimus, pair of spring cubs play with one another along Bernard Spit during fall freeze up, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, autumn
polar bear, Ursus maritimus, curious young bear along Bernard Spit, as it waits for fall freeze up along the coast, 1002 area...
polar bear, Ursus maritimus, curious young bear along Bernard Spit, as it waits for fall freeze up along the coast, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
A polar bear (Ursus maritimus) sow and cub take a rest on Andoyane island in Liefdefjorden, Svalbard Archipelago, Norway, in ...
A polar bear (Ursus maritimus) sow and cub take a rest on Andoyane island in Liefdefjorden, Svalbard Archipelago, Norway, in summertime.
polar bear, Ursus maritimus, sow with spring cub along a barrier island as they wait for fall freeze up to begin, Bernard Spi...
polar bear, Ursus maritimus, sow with spring cub along a barrier island as they wait for fall freeze up to begin, Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
A large polar bear (Ursus maritimus) boar looks for food on a rock island off the coast of Svalbard, Norway, in summertime.
A young tagged polar bear (Ursus maritimus) boar along a barrier island during Fall freeze up, Bernard Spit, off the 1002 are...
A young tagged polar bear (Ursus maritimus) boar along a barrier island during Fall freeze up, Bernard Spit, off the 1002 area of the Arctic National Wildlife Refuge, Alaska.
Polar bear (Ursus maritimus), perches atop a melting glacial ice floe along Woodfjorden, Spitsbergen and the northwest coast ...
Polar bear (Ursus maritimus), perches atop a melting glacial ice floe along Woodfjorden, Spitsbergen and the northwest coast of the Svalbard Archipelago, Norway, Greenland Sea, Summer
polar bear, Ursus maritimus, adult boar travels the multi-year sea ice in search of seals in summer, Northwest Passage, off t...
polar bear, Ursus maritimus, adult boar travels the multi-year sea ice in search of seals in summer, Northwest Passage, off the northeast corner of Baffin Island in the high arctic, Nunavut, Canada
polar bear, Ursus maritimus, group of boars, sows and cubs gather on a barrier island off the coast in autumn, as they wait f...
polar bear, Ursus maritimus, group of boars, sows and cubs gather on a barrier island off the coast in autumn, as they wait for fall freeze up to head out on the sea ice to hunt seals, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
A large polar bear (Ursus maritimus) boar looks for food on a rock island off the coast of Svalbard, Norway, in summertime.
polar bear, Ursus maritimus, large adult walks over newly formed pack ice as it snows during fall freeze up, 1002 area of the...
polar bear, Ursus maritimus, large adult walks over newly formed pack ice as it snows during fall freeze up, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, autumn
polar bear, Ursus maritimus, young bear in the water scents with its tongue, along the coast as it waits for fall freeze up, ...
polar bear, Ursus maritimus, young bear in the water scents with its tongue, along the coast as it waits for fall freeze up, Beaufort Sea, off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
polar bear, Ursus maritimus, adult sow traveling across newly formed pack ice during fall freeze up, off the 1002 area of the...
polar bear, Ursus maritimus, adult sow traveling across newly formed pack ice during fall freeze up, off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, autumn
A polar bear (Ursus maritimus) sow hunts for seals amidst the sea ice floating off the coast of Svalbard, Norway, in summerti...
A polar bear (Ursus maritimus) sow hunts for seals amidst the sea ice floating off the coast of Svalbard, Norway, in summertime.
Adult male leopard seal Hydrurga leptonyx hauled out on ice in the Gullet near the Antarctic Peninsula, Southern Ocean. Adult...
Adult male leopard seal Hydrurga leptonyx hauled out on ice in the Gullet near the Antarctic Peninsula, Southern Ocean. Adult male leopard seal Hydrurga leptonyx hauled out on ice in the Gullet near the Antarctic Peninsula, Southern Ocean MORE INFO The leopard seal is the second largest species of seal in the Antarctic after the Southern Elephant Seal, and is near the top of the Antarctic food chain It can live twenty-six years, possibly more Orcas are the only natural predators of leopard se
polar bear, Ursus maritimus, young bear along a barrier island during fall freeze up, Bernard Spit, off the 1002 area of the ...
polar bear, Ursus maritimus, young bear along a barrier island during fall freeze up, Bernard Spit, off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, autumn
Adult sea otter Enhydra lutris kenyoni mother with her pup on her chest in Inian Pass, Southeastern Alaska, USA, Pacific Ocea...
Adult sea otter Enhydra lutris kenyoni mother with her pup on her chest in Inian Pass, Southeastern Alaska, USA, Pacific Ocean
polar bear, Ursus maritimus, young bear rests on newly formed pack ice during fall freeze up, off the 1002 area of the Arctic...
polar bear, Ursus maritimus, young bear rests on newly formed pack ice during fall freeze up, off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, autumn
A curious young polar bear (Ursus maritimus) boar approaches from newly formed pack ice during the Fall freeze up, off the 10...
A curious young polar bear (Ursus maritimus) boar approaches from newly formed pack ice during the Fall freeze up, off the 1002 area of the Arctic National Wildlife Refuge, Alaska.
A polar bear (Ursus maritimus) boar plays in slushy waters during the Fall freeze up, 1002 area of the Arctic National Wildli...
A polar bear (Ursus maritimus) boar plays in slushy waters during the Fall freeze up, 1002 area of the Arctic National Wildlife Refuge, Alaska.
polar bear, Ursus maritimus, sow with subadult cub travel along the foggy coast during fall freeze up, 1002 area of the Arcti...
polar bear, Ursus maritimus, sow with subadult cub travel along the foggy coast during fall freeze up, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
polar bear, Ursus maritimus, pair of young bears play with one another in waters along Bernard Spit, 1002 area of the Arctic ...
polar bear, Ursus maritimus, pair of young bears play with one another in waters along Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, autumn
A pair of sub-adult polar bears (Ursus maritimus) investigate the arrival of an out-of-service ambulance now used for filmmak...
A pair of sub-adult polar bears (Ursus maritimus) investigate the arrival of an out-of-service ambulance now used for filmmaking, outside the Inupiaq village of Kaktovik, Barter Island, off the 1002 area of the Arctic National Wildlife Refuge, Alaska.
An adult polar bear (Ursus maritimus) sleeps on a snow bank along the Arctic coast in wintertime, Alaska.
A polar bear (Ursus maritimus) sow hunts for seals amidst the sea ice floating off the coast of Svalbard, Norway, in summerti...
A polar bear (Ursus maritimus) sow hunts for seals amidst the sea ice floating off the coast of Svalbard, Norway, in summertime.
polar bear, Ursus maritimus, fish eye view of a pair of curious spring cubs along Bernard Spit during fall freeze up, 1002 ar...
polar bear, Ursus maritimus, fish eye view of a pair of curious spring cubs along Bernard Spit during fall freeze up, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
A polar bear (Ursus maritimus) sow with a pair of cubs travel along a barrier island in search of food, as they wait for the ...
A polar bear (Ursus maritimus) sow with a pair of cubs travel along a barrier island in search of food, as they wait for the Fall freeze up so they can head out onto the sea ice to hunt seals on Bernard Spit.
A large polar bear (Ursus maritimus) boar scavenges a bowhead whale (Balaena mysticetus) carcass left by Inupiaq subsistence ...
A large polar bear (Ursus maritimus) boar scavenges a bowhead whale (Balaena mysticetus) carcass left by Inupiaq subsistence hunters in autumn, Barter Island, off the 1002 area of the Arctic National Wildlife Refuge, Alaska.
polar bear, Ursus maritimus, close up of a curious young bear swimming in waters off Bernard Spit, as it waits for fall freez...
polar bear, Ursus maritimus, close up of a curious young bear swimming in waters off Bernard Spit, as it waits for fall freeze up, Beaufort Sea, off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
polar bear, Ursus maritimus, curious young bear along Bernard Spit, as it waits for fall freeze up along the coast, 1002 area...
polar bear, Ursus maritimus, curious young bear along Bernard Spit, as it waits for fall freeze up along the coast, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
polar bear, Ursus maritimus, spring cub stands and tries to balance itself, almost as if it's dancing, along Bernard Spit, 10...
polar bear, Ursus maritimus, spring cub stands and tries to balance itself, almost as if it's dancing, along Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, autumn
polar bear, Ursus maritimus, fish eye view of a curious spring cub along Bernard Spit during fall freeze up, 1002 area of the...
polar bear, Ursus maritimus, fish eye view of a curious spring cub along Bernard Spit during fall freeze up, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
polar bear, Ursus maritimus, sows with cubs move through and play on slushy newly forming pack ice along Bernard Spit during ...
polar bear, Ursus maritimus, sows with cubs move through and play on slushy newly forming pack ice along Bernard Spit during fall freeze up, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
polar bear, Ursus maritimus, sow with a pair of cubs, red faced from feeding on a whale carcass, hang out on newly formed pac...
polar bear, Ursus maritimus, sow with a pair of cubs, red faced from feeding on a whale carcass, hang out on newly formed pack ice along the coasat during fall freeze up, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
Adult sea otter Enhydra lutris kenyoni in kelp bed in Inian Pass, Southeastern Alaska, USA Pacific Ocean MORE INFO: This sub-...
Adult sea otter Enhydra lutris kenyoni in kelp bed in Inian Pass, Southeastern Alaska, USA Pacific Ocean MORE INFO: This sub-species ranges from the Aleutian Islands throughout southeast Alaska to Oregon Adult sea otters typically weigh between 14 and
A pair of 3-year-old polar bear (Ursus maritimus) cubs hang out along a barrier island during the Fall freeze up, Bernard Spi...
A pair of 3-year-old polar bear (Ursus maritimus) cubs hang out along a barrier island during the Fall freeze up, Bernard Spit, off the 1002 area of the Arctic National Wildlife Refuge, Alaska.
polar bear, Ursus maritimus, sow with spring cub along a barrier island as they wait for fall freeze up to begin, Bernard Spi...
polar bear, Ursus maritimus, sow with spring cub along a barrier island as they wait for fall freeze up to begin, Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
polar bear, Ursus maritimus, profile of a young bear in the water along the coast, Beaufort Sea, off the 1002 area of the Arc...
polar bear, Ursus maritimus, profile of a young bear in the water along the coast, Beaufort Sea, off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
polar bear, Ursus maritimus, curious young bear in the water along the coast, as it waits for fall freeze up, Beaufort Sea, o...
polar bear, Ursus maritimus, curious young bear in the water along the coast, as it waits for fall freeze up, Beaufort Sea, off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
polar bear, Ursus maritimus, fish eye view of a pair of curious spring cubs along Bernard Spit during fall freeze up, 1002 ar...
polar bear, Ursus maritimus, fish eye view of a pair of curious spring cubs along Bernard Spit during fall freeze up, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
polar bear, Ursus maritimus, young bear swimming along the coast, off Bernard Spit, 1002 area of the Arctic National Wildlife...
polar bear, Ursus maritimus, young bear swimming along the coast, off Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, autumn
A curious polar bear (Ursus maritimus) sow investigates a steel hull sailboat anchored in fjord ice off the coast of Svalbard...
A curious polar bear (Ursus maritimus) sow investigates a steel hull sailboat anchored in fjord ice off the coast of Svalbard, Norway, in summertime.
polar bear, Ursus maritimus, large boar rests on the shore along Bernard Spit as it waits for fall freeze up, 1002 area of th...
polar bear, Ursus maritimus, large boar rests on the shore along Bernard Spit as it waits for fall freeze up, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, autumn
A large senior polar bear (Ursus maritimus) boar rests in a dirt bed along Bernard Spit as chilling winds whip around him, of...
A large senior polar bear (Ursus maritimus) boar rests in a dirt bed along Bernard Spit as chilling winds whip around him, off the 1002 area of the Arctic National Wildlife Refuge, Alaska.
polar bear, Ursus maritimus, curirous young bear swims in water along the coast, as it waits for fall freeze up, Beaufort Sea...
polar bear, Ursus maritimus, curirous young bear swims in water along the coast, as it waits for fall freeze up, Beaufort Sea, off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
A pair of polar bear cubs (Ursus maritimus) swim through slushy waters during the Fall freeze up, off Bernard Spit, 1002 area...
A pair of polar bear cubs (Ursus maritimus) swim through slushy waters during the Fall freeze up, off Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, Alaska.
An adult polar bear (Ursus maritimus) in waters along the coast of Svalbard, Norway, in summertime.
Adult leopard seal Hydrurga leptonyx near the Antarctic Peninsula, Southern Ocean MORE INFO The leopard seal is the second la...
Adult leopard seal Hydrurga leptonyx near the Antarctic Peninsula, Southern Ocean MORE INFO The leopard seal is the second largest species of seal in the Antarctic after the Southern Elephant Seal, and is near the top of the Antarctic food chain It can
polar bear, Ursus maritimus, close up of a young bear in the water swimming along the coast, Beaufort Sea, off the 1002 area ...
polar bear, Ursus maritimus, close up of a young bear in the water swimming along the coast, Beaufort Sea, off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
polar bear, Ursus maritimus, adult boar travels the multi-year sea ice in search of seals in summer, Northwest Passage, off t...
polar bear, Ursus maritimus, adult boar travels the multi-year sea ice in search of seals in summer, Northwest Passage, off the northeast corner of Baffin Island in the high arctic, Nunavut, Canada
Adult sea otter Enhydra lutris kenyoni in kelp bed in Inian Pass, Southeastern Alaska, USA Pacific Ocean MORE INFO: This sub-...
Adult sea otter Enhydra lutris kenyoni in kelp bed in Inian Pass, Southeastern Alaska, USA Pacific Ocean MORE INFO: This sub-species ranges from the Aleutian Islands throughout southeast Alaska to Oregon Adult sea otters typically weigh between 14 and
polar bear, Ursus maritimus, sow nuzzles her spring cub along a barrier island while fall freeze up begins, Bernard Spit, 100...
polar bear, Ursus maritimus, sow nuzzles her spring cub along a barrier island while fall freeze up begins, Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska
Adult male leopard seal Hydrurga leptonyx hauled out on ice in the Gullet near the Antarctic Peninsula, Southern Ocean. Adult...
Adult male leopard seal Hydrurga leptonyx hauled out on ice in the Gullet near the Antarctic Peninsula, Southern Ocean. Adult male leopard seal Hydrurga leptonyx hauled out on ice in the Gullet near the Antarctic Peninsula, Southern Ocean MORE INFO The leopard seal is the second largest species of seal in the Antarctic after the Southern Elephant Seal, and is near the top of the Antarctic food chain It can live twenty-six years, possibly more Orcas are the only natural predators of leopard se
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