"Brown Bear (Ursus arctos) crossing the river with salmon in its mouth, Katmai National Park, Alaska"

"Brown Bear (Ursus arctos) crossing the river with salmon in its mouth, Katmai National Park, Alaska"

"Two Brown Bears (Ursus arctos) play-fighting with each other, Katmai National Park, Alaska"

"Two Brown Bears (Ursus arctos) play-fighting with each other, Katmai National Park, Alaska"

"Brown Bear (Ursus arctos), female with her offspring, 2 years, sitting on the riverbank, waiting for salmon, Katmai National Park, Alaska"

"Two Brown Bears (Ursus arctos) play-fighting with each other, Katmai National Park, Alaska"

"Two Brown Bears (Ursus arctos) play-fighting with each other, Katmai National Park, Alaska"

"Two Brown Bears (Ursus arctos) play-fighting with each other, Katmai National Park, Alaska"

"Two Brown Bears (Ursus arctos) play-fighting with each other, Katmai National Park, Alaska"

"Two Brown Bears (Ursus arctos) dozing next to each other in the sand, Katmai National Park, Alaska"

"Two Brown Bears (Ursus arctos) dozing next to each other in the sand, Katmai National Park, Alaska"

"Two Brown Bears (Ursus arctos) dozing next to each other in the sand, Katmai National Park, Alaska"

"Brown Bear (Ursus arctos), sitting in the grass, Katmai National Park, Alaska, United States, North America"

"Brown Bear (Ursus arctos) in the grass, Katmai National Park, Alaska, United States, North America"

"Brown Bear (Ursus arctos), female and cub, Katmai National Park, Alaska, United States, North America"

"Brown Bear (Ursus arctos) in the water, Brooks River, Katmai National Park, Alaska, United States, North America"

"Brown Bear (Ursus arctos) with fish, in the water, Brooks River, Katmai National Park, Alaska, United States, North America"

"Grizzly Bear (Ursus arctos horribilis) adult, walking on the waterfront, Brooks River, Katmai National Park and Preserve, Alaska, United States, North America"

"Grizzly Bear (Ursus arctos horribilis) adult, Brooks River, Katmai National Park and Preserve, Alaska, United States, North America"

"Grizzly Bear (Ursus arctos horribilis) adult, waterfront, Brooks River, Katmai National Park and Preserve, Alaska, United States, North America"

"Grizzly Bear (Ursus arctos horribilis) adult, waterfront, Brooks River, Katmai National Park and Preserve, Alaska, United States, North America"

"Grizzly Bear (Ursus arctos horribilis), adult, male, Brooks River, Katmai National Park and Preserve, Alaska, United States, North America"

"Grizzly Bear (Ursus arctos horribilis) hunting salmon at Brooks Falls, Katmai National Park and Preserve, Alaska, United States, North America"

Brown bear (Ursus arctos), mother with two cubs walking over rocks, Sentinel Dome, Yosemite National Park, California, USA, North America

"Brown Bear (Ursus arctos) walking along a riverbank, Katmai National Park, Alaska"