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Adult brown bear (Ursus arctos) skeletal remains on Chichagof Island, Alaska, United States of America
Adult brown bears (Ursus arctos) feeding on humpback whale carcass, Scidmore Cut, Glacier Bay National Park, Alaska, United States of America
Adult brown bears (Ursus arctos) and wolf (Canis lupus) feeding on humpback whale carcass in Glacier Bay National Park, Alaska, United States of America
Adult brown bear pair (Ursus arctos) exhibiting courtship behavior at Scidmore Cut in Glacier Bay National Park, Alaska, United States of America
Adult brown bear pair (Ursus arctos) mock-fighting at Scidmore Cut in Glacier Bay National Park, Alaska, United States of America
Adult brown bear (Ursus arctos) feeding on salmon at Iyoukeen Cove on Chichagof Island, Alaska, United States of America
Adult brown bear (Ursus arctos) feeding on humpback whale carcass in Glacier Bay National Park, Alaska, United States of America
Adult brown bear (Ursus arctos) feeding on humpback whale carcass in Glacier Bay National Park, Alaska, United States of America
Adult brown bear pair (Ursus arctos) mock-fighting at Scidmore Cut in Glacier Bay National Park, Alaska, United States of America
Adult brown bear (Ursus arctos) shaking water from its fur near whale carcass in Glacier Bay National Park, Alaska, United States of America
A small pod of killer whales (Orcinus orca) encountered in Glacier Bay National Park, Southeast Alaska, United States of America
Harbor seal (Phoca vitulina) hauled out on submerged log in Misty Fjords National Monument, Southeast Alaska, United States of America
Harbor seals (Phoca vitulina) hauled out on submerged log in Misty Fjords National Monument, Southeast Alaska, United States of America
Harbor seal (Phoca vitulina) hauled out on submerged log in Misty Fjords National Monument, Southeast Alaska, United States of America
The Celebrity Infinity ship in Southeast Alaska, United States of America
Adult coyote (Canis latrans) in Denali National Park, Alaska, United States of America
A large stand of Arctic cotton (Eriophorum callitrix) in Denali National Park, Alaska, United States of America
Adult Dall sheep (Ovis dalli) in Denali National Park, Alaska, United States of America
A large stand of Arctic cotton (Eriophorum callitrix) in Denali National Park, Alaska, United States of America
Riding the bus along the 92 mile-long road into Denali National Park, Alaska, United States of America
View of the Polychrome Mountains from lookout point on the park road inside Denali National Park and Preserve, Alaska, United States of America
Adult caribou (Rangifer tarandus) in Denali National Park, Alaska, United States of America
Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America
Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America
View from Park Service platform where adult brown bears (Ursus arctos) forage for salmon, Katmai National Park, Alaska, United States of America
View from Park Service platform where adult brown bears (Ursus arctos) forage for salmon, Katmai National Park, Alaska, United States of America
Adult brown bears (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America
Adult brown bears (Ursus arctos) courtship behaviour, Brooks River, Katmai National Park near Bristol Bay, Alaska, United States of America
Adult brown bear sow (Ursus arctos) watching human activities at the Brooks River, Katmai National Park, Alaska, United States of America
White Snowshoe Hare sitting in its snowy burrow, Denali National Park, Alaska, United States of America, North America
An Alaskan moose in winter roaming the Denali National Park, Alaska, United States of America, North America
Puffin, Alaska Sealife Centre, Coldwater Marine Science Facility, Seward, Resurrection Bay, Kenai Peninsula, Alaska, United States of America, North America
Harbour Seals (Phoca Vitulina) on an iceberg, blue ice of Aialik Glacier, Kenai Fjords National Park, near Seward, Alaska, United States of America, North America
Harbour Seals (Phoca Vitulina) on an iceberg, Aialik Glacier, Harding Icefield, Kenai Fjords National Park, Alaska, United States of America, North America
Sea otters (Enhyrda lutris), endangered species, calm waters of Sitka Sound, Sitka, Northern Panhandle, Southeast Alaska, United States of America, North America
Sea otters (Enhyrda lutris), endangered species, calm waters of Sitka Sound, Sitka, Northern Panhandle, Southeast Alaska, United States of America, North America
An adult bull porcupine caribou (Rangifer tarandus granti), hiding in fall color changes in Denali National Park, Alaska, United States of America, North America
A raft of common murres (Uria aalge) at breeding site on South Marble Island, Glacier Bay National Park, Alaska, United States of America, North America
A raft of common murres (Uria aalge) at breeding site on South Marble Island, Glacier Bay National Park, Alaska, United States of America, North America
Adult bald eagle (Haliaeetus leucocephalus), on perch in Geographic Harbor, Katmai National Park, Alaska, United States of America, North America
Adult humpback whale (Megaptera novaeangliae), surfacing with spout in Glacier Bay National Park, UNESCO World Heritage Site, Alaska, United States of America, North America
Adult humpback whale (Megaptera novaeangliae), flukes-up dive in Glacier Bay National Park, UNESCO World Heritage Site, Alaska, United States of America, North America
Adult humpback whale (Megaptera novaeangliae) flukes-up dive in Glacier Bay National Park, UNESCO World Heritage Site, Alaska, United States of America, North America
Adult North American porcupine (Erethizon dorsatum), running in Glacier Bay National Park, Alaska, United States of America, North America
Adult humpback whale (Megaptera novaeangliae), flukes-up dive at sunset in Glacier Bay National Park, UNESCO World Heritage Site, Alaska, United States of America, North America
Adult humpback whale (Megaptera novaeangliae), flukes-up dive in Glacier Bay National Park, UNESCO World Heritage Site, Alaska, United States of America, North America
Adult humpback whale (Megaptera novaeangliae), flukes-up dive in Glacier Bay National Park, UNESCO World Heritage Site, Alaska, United States of America, North America
Steller sea lion (Eumetopias jubatus), haul out site, South Marble Islands, Glacier Bay National Park, UNESCO World Heritage Site, Alaska, United States of America, North America
Steller sea lions (Eumetopias jubatus), haul out site, South Marble Islands, Glacier Bay National Park, UNESCO World Heritage Site, Alaska, United States of America, North America
Adult bald eagle (Haliaeetus leucocephalus), dive bombing for a fish in the Inian Islands, Southeast Alaska, United States of America, North America
Adult American black bear (Ursus americanus) near Mendenhall Glacier, Southeast Alaska, United States of America, North America
Leaping pink salmon (Oncorhynchus gorbuscha) gathering to spawn at Lake Eva on Chichagof Island, Alaska, United States of America, North America
Adult brown bear (Ursus arctos) fishing for pink salmon at Pavlof Harbor on Chichagof Island, Southeast Alaska, United States of America, North America
Adult humpback whales (Megaptera novaeangliae) co-operatively bubble-net feeding, Southeast Alaska, United States of America, North America
Scenic view of Glacier Bay National Park and Preserve, UNESCO World Heritage Site, Southeast Alaska, Pacific Ocean, United States of America, North America
Northern sea lions (Eumetopias jubatus) hauled out on South Marble Island in Glacier Bay National Park, UNESCO World Heritage Site, Alaska, United States of America, North America
Close-up of fish catch in the fishing town of Petersburg on Mitkof Island, Southeast Alaska, Pacific Ocean, United States of America, North America
Views from the fishing town of Petersburg on Mitkof Island at low tide, Southeast Alaska, Pacific Ocean, United States of America, North America
Harbor seal (Phoca vitulina) hauled out on ice calved from South Sawyer Glacier, Southeast Alaska, United States of America, North America
A pod of killer whales (Orcinus orca) surfacing in Chatham Strait, Southeast Alaska, United States of America, Pacific Ocean, North America
Guests from the Lindblad Expeditions ship National Geographic Sea Bird in Glacier Bay National Park, UNESCO World Heritage Site, Southeast Alaska, United States of America, North America
California gray whale calf (Eschrictius robustus), surfacing in San Ignacio Lagoon, Baja California, Mexico, North America
Northern (Steller) sea lions, (Eumetopias jubatus), hauled out on South Marble Island, Glacier Bay National Park, Alaska, United States of America
Northern (Steller) sea lion (Eumetopias jubatus) fishing on the flood tide in Inian Pass, Southeastern Alaska, United States of America
Adult sea otter (Enhydra lutris kenyoni) mother and pup in Inian Pass, Southeastern Alaska, United States of America
Northern (Steller) sea lions (Eumetopias jubatus) hauled out on South Marble Island in Glacier Bay National Park, Alaska, United States of America
Adult sea otter (Enhydra lutris kenyoni) in kelp bed in Inian Pass, Southeastern Alaska, United States of America
Adult sea otter (Enhydra lutris kenyoni) in kelp bed in Inian Pass, Southeastern Alaska, United States of America
Adult tufted puffin (Fratercula cirrhata) on the water at South Marble Island, Glacier Bay National Park, Alaska, United States of America
Adult bald eagle (Haliaeetus leucocephalus) with dead salmon in Inian Pass, Southeast Alaska, United States of America
Northern (Steller) sea lions, (Eumetopias jubatus), hauled out on South Marble Island, Glacier Bay National Park, Alaska, United States of America
Northern (Steller) sea lions, (Eumetopias jubatus), hauled out on South Marble Island, Glacier Bay National Park, Alaska, United States of America
Adult humpback whale (Megaptera novaeangliae) breaching along the west side of Chatham Strait in Alaska, United States of America
Adult humpback whales (Megaptera novaeangliae) co-operatively bubble-net feeding in Southeast Alaska, United States of America
Adult humpback whale (Megaptera novaeangliae) tail throw among feeding whales in Southeast Alaska, United States of America
Adult humpback whales (Megaptera novaeangliae) co-operatively bubble-net feeding in Southeast Alaska, United States of America
Adult brown bears (Ursus arctos) feeding on humpback whale carcass, Scidmore Cut, Glacier Bay National Park, Alaska, United States of America
Adult coyote (Canis latrans) in Denali National Park, Alaska, United States of America
Adult Canada lynx (Lynx canadensis) in Denali National Park, Alaska, United States of America
Partial View of Mount Denali (Mount McKinley) in Denali National Park, Alaska, United States of America
Adult Dall sheep (Ovis dalli) in Denali National Park, Alaska, United States of America
Adult Dall sheep (Ovis dalli) in Denali National Park, Alaska, United States of America
A large stand of Arctic cotton (Eriophorum callitrix) in Denali National Park, Alaska, United States of America
Riding the bus along the 92 mile-long road into Denali National Park, Alaska, United States of America
Adult Arctic ground squirrel (Spermophilus parryii) foraging in Denali National Park, Alaska, United States of America
Adult Arctic ground squirrel (Spermophilus parryii) foraging in Denali National Park, Alaska, United States of America
Adult grizzly bear (Ursus arctos) mother with cubs in Denali National Park, Alaska, United States of America
Mated bald eagle (Haliaeetus leucocephalus) pair on nest near the Brooks River, Katmai National Park, Alaska, United States of America
Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America
Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America
Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America
Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America
Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America
Young brown bears (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America
Adult brown bears (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America
Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America
Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America
Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America
Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America
Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America