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) exhibiting courtship behavior at Scidmore Cut 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 (Ursus arctos) shaking water from its fur near whale carcass in Glacier Bay National Park, Alaska, United States of America

Coastal Brown Bear (Ursus arctos horibilis) mother with three cubs foraging at low tide in Glacier Bay National Park, Southeast Alaska, USA.

Coastal Brown Bear (Ursus arctos horibilis) cubs foraging at low tide in Glacier Bay National Park, Southeast Alaska, USA.

Adult coastal brown bear (Ursus arctos) fishing for salmon in a stream filled with Pink Salmon. Pavlov Harbor, Chichagof Island, southeast Alaska, USA.

Coastal Brown Bear (Ursus arctos horibilis) mother with three cubs foraging at low tide in Glacier Bay National Park, Southeast Alaska, USA.

Coastal Brown Bear (Ursus arctos horibilis) mother foraging at low tide in Glacier Bay National Park, Southeast Alaska, USA.

Coastal Brown Bear (Ursus arctos horibilis) mother with cubs foraging at low tide in Glacier Bay National Park, Southeast Alaska, USA.

North American Black Bear (Ursus americanus) cub feeding on mussels at low tide in Tracy Arm, Southeast Alaska, USA. Pacific Ocean.

Coastal Brown Bear (Ursus arctos horibilis) mother with cubs foraging at low tide in Glacier Bay National Park, Southeast Alaska, USA.

Coastal Brown Bear (Ursus arctos horibilis) mother with three cubs foraging at low tide in Glacier Bay National Park, Southeast Alaska, USA.

Bear (Ursus arctos) viewing at Hallo Bay Camp. A sow and her two cubs hunt for clams while awaiting the arrival of salmon to local streams; Alaska, United States of America

Brown Bear (Ursus Arctos) Walks In The Shallow Water With It's Cubs Following, Lake Clark National Park, Alaska, United States Of America

Alaska Peninsula Brown Bear (Ursus Arctos Horribilis) And It's Cub Walking To The Edge Of A Lake On A Foggy Morning, Lake Clark National Park, Alaska, United States Of America

Bear (Ursus arctos) viewing at Hallo Bay Camp. A sow and her two cubs hunt for clams while awaiting the arrival of salmon to local streams; Alaska, United States of America

Bear (Ursus arctos) viewing at Hallo Bay Camp. A sow and her two cubs hunt for clams while awaiting the arrival of salmon to local streams; Alaska, United States of America

Bear (Ursus arctos) viewing at Hallo Bay Camp. A sow and her two cubs hunt for clams while awaiting the arrival of salmon to local streams; Alaska, United States of America

Alaskan Coastal Bears (Ursus Arctos) Fighting, Geographical Bay, Alaska, United States Of America

Alaskan Coastal Bears (Ursus Arctos) Clamming, Lake Clark National Park, Alaska, United States Of America

Black Bear (Ursus americanus), Prince William Sound; Alaska, United States of America