Adult brown bear (Ursus arctos) feeding on humpback whale carcass in Glacier Bay National Park, Alaska, United States of America

brown bear ursus arctos humpback whale carcass glacier bay national park alaska feeding wildlife animal behavior marine mammal coastal habitat scavenging natural environment ecology predator fur rocky shore tidal zone diet sea life foraging north america wilderness nature conservation land mammals observation alaskan landscape ecosystem sighting ocean predation interaction large