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Northern (Steller) sea lion (Eumetopias jubatus) close-up eating a halibut in 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) mother and pup 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 sea otter (Enhydra lutris kenyoni) in kelp bed in Inian Pass, Southeastern Alaska, United States of America

Adult bald eagle (Haliaeetus leucocephalus) perched in Sitka spruce tree, 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

Glacial iceberg detail from ice calved off the LeConte Glacier near Petersberg, 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

Adult humpback whales (Megaptera novaeangliae) co-operatively bubble-net feeding in Southeast 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 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 bears (Ursus arctos) feeding on humpback whale carcass 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

Harbor seal (Phoca vitulina) hauled out on submerged log in Misty Fjords National Monument, Southeast Alaska, United States of America

Young brown bear (Ursus arctos) scratching its back on the gravel 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

Young brown bear (Ursus arctos) cubs watching mom hunt for salmon in the Brooks River, Katmai National Park, Alaska, United States of America

Early morning reflections in summer, Behm Canal, Misty Fjords National Monument, Tongass National Forest, Ketchikan, Alaska, United States of America, North America

Commercial fishing boats of all kinds and sizes in Homer Harbor in Kachemak Bay, Kenai Peninsula, Alaska, United States of America, North America

An adult sea otter (Enhydra lutris) resting on its back in the harbor at Kodiak, Kodiak Island, Alaska, United States of America, North America

Fall color change amongst the trees and shrubs on the Rock Creek Trail in Denali National Park, Alaska, United States of America, North America

Arctic ground squirrel (Parka squirrel) (Citellus parryi), Hatcher Pass, Alaska, United States of America, North America

Grizzly bear (Ursus horribilis) in the fall, Denali National Park and Preserve, Alaska, United States of America, North America

A view of Margerie Glacier against the Fairweather Range in Glacier Bay National Park and Preserve, UNESCO World Heritage Site, 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

Adult humpback whales (Megaptera novaeangliae) flukes-up dive in Snow Pass at sunset, Southeast Alaska, United States of America, North America

Adult humpback whales (Megaptera novaeangliae) co-operatively bubble-net feeding in Snow Pass, Alaska, United States of America, North America

Adult humpback whales (Megaptera novaeangliae) co-operatively bubble-net feeding in Snow Pass, Alaska, United States of America, North America

A close up view of Lamplugh Glacier in Glacier Bay National Park and Preserve, UNESCO World Heritage Site, Southeast Alaska, United States of America, North America

Views from the fishing town of Petersburg on Mitkof Island, Southeast Alaska, Pacific Ocean, 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

Adult female sea otter (Enhydra lutris kenyoni) swimming in Inian Pass, Southeastern Alaska, Pacific Ocean, United States of America, North America

A rare sighting of an adult female sea otter (Enhydra lutris kenyoni) hauled out on land in Inian Pass, Southeastern Alaska, Pacific Ocean, 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 (Steller) sea lions (Eumetopias jubatus) hauled out at South Marble Island in Glacier Bay National Park, UNESCO World Heritage Site, Alaska, United States of America, North America

A young killer whale (Orcinus orca) surfacing in Glacier Bay National Park, Southeast Alaska, United States of America, Pacific Ocean, North America

Bald wagle (Haliaeetus leucocephalus) portrait, Alaska Raptor Rehabilitation Center, Sitka, Baranof Island, Alaska, United States of America, North America

Adult sea otter (Enhydra lutris kenyoni) mother and pup in Inian Pass, Southeastern Alaska, United States of America

Glacial iceberg detail from ice calved off the Sawyer Glacier in Tracy Arm, Southeast 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 brown bear (Ursus arctos) skeletal remains on Chichagof Island, 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

Moon Jellyfish (Aurelia aurita), Resurrection Bay, Kenai Fjords National Park, Alaska, United States of America, North America

The Seward Harbor in Resurrection Bay, gateway to the Kenai Fjords in Kenai Fjords National Park, Alaska, United States of America, North America

Aerial view of the Leconte Glacier, flowing from the Stikine Ice Field near Petersburg, Southeast Alaska, United States of America, North America

A lone adult male killer whale (Orcinus orca) encountered in Glacier Bay National Park, UNESCO World Heritage Site, Southeast Alaska, United States of America, Pacific Ocean, North America

Tufted Puffin (Fratercula cirrhata) with fish in its beak, Homer, Alaska, United States of America, North America

Northern (Steller) sea lions (Eumetopias jubatus) hauled out on the WN buoy just outside Petersburg, Alaska, United States of America, North America

Fishermen offloading catch on quay in fishing town of Petersburg on Mitkof Island, 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

Harbor seals (Phoca vitulina) hauled out on a submerged log in Misty Fjord National Monument, Southeast Alaska, United States of America, North America

Grizzly bear (Ursus arctos horribilis) (Coastal brown bear), Katmai National Park and Preserve, Alaska, United States of America, North America

Long exposure astrophotography showing the stars and the northern lights in Denali National Park, Alaska, United States of America, North America

The snowy mountain ranges of Denali National Park in the winter, Alaska, United States of America, North America

Mendenhall Glacier and Lake, with iceberg, bright blue ice, forest and mist, from Visitor Centre, Juneau, Alaska, United States of America, North America

An adult brown bear (Ursus arctos) fishing for salmon at Brooks Falls, Katmai National Park and Preserve, Alaska, United States of America, North America

A pair of tufted puffins (Fratercula cirrhata), South Marble Island, Glacier Bay National Park, Southeast Alaska, United States of America, North America

An adult sea otter (Enhydra lutris) resting on its back in the harbor at Kodiak, Kodiak Island, Alaska, United States of America, North America

Adult tufted puffin (Fratercula cirrhata), on cliff ledge on St. Paul Island, Pribilof Islands, Alaska, United States of America, North America

Fall color change amongst the trees and shrubs in Denali National Park, Alaska, United States of America, North America

A small group of Dall sheep (Ovis dalli) grazing on a mountainside in Denali National Park, Alaska, United States of America, North America

An adult American red squirrel (Tamiasciurus hudsonicus) near the Chilkat River, Haines, Southeast Alaska, United States of America, North America

Aerial view of the Leconte Glacier, flowing from the Stikine Ice Field near Petersburg, Southeast Alaska, United States of America, North America

Adult harbor seals (Phoca vitulina), on ice at Dawes Glacier, Endicott Arm, Southeast Alaska, United States of America, North America

A view of Johns Hopkins Glacier against the Fairweather Range in Glacier Bay National Park and Preserve, UNESCO World Heritage Site, Alaska, United States of America, North America

Dead and dying pink salmon (Oncorhynchus gorbuscha) gathering to spawn just outside of Sitka, Southeast Alaska, United States of America, North America

Adult California gray whale (Eschrictius robustus), surfacing near boat in San Ignacio Lagoon, Baja California, Mexico, North America

Spectacular Tracy Arm Fjord, brilliant blue icebergs and backlit clearing mist, mountains and South Sawyer Glacier, Alaska, United States of America, North America

Blue ice face and floating ice, Sawyer Glacier and mountains, misty conditions, Stikine Icefield, Tracy Arm Fjord, Alaska, United States of America, North America

Killer whale (orca) pod (Orcinus orca), Resurrection Bay, Kenai Fjords National Park, Alaska, United States of America, North America

Long exposure astrophotography showing the stars and the northern lights 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

Adult bald eagle (Haliaeetus leucocephalus), on perch in Geographic Harbor, Katmai National Park, Alaska, United States of America, North America

The face of glacier calving off on the South Sawyer Glacier, Tracy Arm, Southeast Alaska, United States of America, North America

Steller sea lion (Eumetopias jubatus), hauled out on South Marble Island, Glacier Bay National Park, Southeast Alaska, United States of America, North America

Harbor seal (Phoca vitulina), mother with pup at South Sawyer Glacier, Tracy Arm, Southeast Alaska, United States of America, North America

Trumpeter Swan (Cygnus buccinator) stretching its wings on a pond, Tok Cutoff, Alaska, United States of America, North America

A view of Tarr Inlet in Glacier Bay National Park and Preserve, UNESCO World Heritage Site, Southeast Alaska, United States of America, North America

Fall color change amongst the trees and shrubs in Denali National Park, Alaska, United States of America, North America

An adult American red squirrel (Tamiasciurus hudsonicus) in the trees in Denali National Park, Alaska, United States of America, North America

Aurora Borealis (Northern Lights) viewed from Denali Princess Wilderness Lodge, Denali National Park, Alaska, United States of America, North America

Rudyerd Bay ripples, beautiful summer day, Misty Fjords National Monument, Tongass National Forest, Alaska, United States of America, North America

Kayak expedition preparations, Tracy Arm Fjord, clearing mist, icebergs and cascades, near South Sawyer Glacier, Alaska, United States of America, North America

Blue icebergs and face of Sawyer Glacier, mountain backdrop, Stikine Icefield, Tracy Arm Fjord, Alaska, United States of America, North America