USA, Alaska, Katmai National Park, Grizzly Bear Cubs (Ursus arctos) walking along Kukak Bay before sunrise on late summer morning

USA, Alaska, Katmai National Park, Grizzly Bear (Ursus arctos), Kukak Bay

USA, Alaska, Katmai National Park, Kukak Bay, Brown Bears (Ursus arctos) sparring in meadow at sunrise on late summer morning

USA, Alaska, Katmai National Park, Kukak Bay, Brown Bear (Ursus arctos) fishing for spawning salmon in small stream in late summer

USA, Alaska, Katmai National Park, Kukak Bay, Brown Bear (Ursus arctos) chases spawning salmon in small stream at dusk on late summer evening

USA, Alaska, Katmai National Park, Kukak Bay. Scenery in Kukak Bay.

USA, Alaska, Katmai National Park. Coastal Brown Bear (Ursus arctos) splashing in salmon spawning stream along Kukak Bay.

USA, Alaska, Katmai National Park, Coastal Brown Bear (Ursus arctos) resting on tidal flats along Kukak Bay.

USA, Alaska, Katmai National Park, Two Grizzly Bear Cubs (Ursus arctos) walking along Kukak Bay before sunrise on late summer morning

USA, Alaska, Katmai National Park, Grizzly Bear (Ursus arctos) standing in salmon spawning stream beneath coastal mountains along Kukak Bay at dawn

USA, Alaska, Katmai National Park, Grizzly Bear (Ursus arctos) resting on tidal flats beneath coastal mountains long Kukak Ba

USA, Alaska, Katmai National Park, Grizzly Bear (Ursus arctos) resting along tidal flats beneath coastal mountains along Kukak Bay at dawn

USA, Alaska, Katmai National Park, Grizzly Bear (Ursus arctos) feeding on green grass in coastal meadow along Kukak Bay

USA, Alaska, Katmai National Park, Grizzly Bear(Ursus arctos) carries spawning Chum Salmon caught in river along Kukak Bay in late summer

USA, Alaska, Katmai National Park, Flash-lit portrait of young female Grizzly Bear (Ursus arctos) resting along salmon stream under rising moon near Kinak Bay

USA, Alaska, Katmai National Park, Kukak Bay, Brown Bear (Ursus arctos) extends tongue while yawning in late summer

USA, Alaska, Katmai National Park, Brown Bear (Ursus arctos) leaping for spawning salmon in stream along Kukak Bay in late summer

USA, Alaska, Katmai National Park, Kukak Bay. Baby bald eagles, Haliaeetus Leucocephalus, in their nest.

USA, Alaska, Katmai National Park, Kukak Bay. Baby bald eagles, Haliaeetus Leucocephalus, in their nest.

USA, Alaska, Katmai National Park, Kukak Bay. Snow crabs, Chionoecetes, fresh from the ocean.

USA, Alaska, Katmai National Park, Kukak Bay. Snow crabs, Chionoecetes, caught in a crab pot.

USA, Alaska, Katmai National Park, Kukak Bay. Coastal Brown Bear, Grizzly, Ursus Arctos. Close-up of grizzly bear.

USA, Alaska, Katmai National Park, Kukak Bay. Coastal Brown Bear, Grizzly, Ursus Arctos. Close-up of grizzly bear eating barnacles.

USA, Alaska, Katmai National Park, Coastal Brown Bear (Ursus arctos) walking beneath mountain peaks along Kukak Bay.

USA, Alaska, Katmai National Park, Coastal Brown Bear (Ursus arctos) scratches head with claws while resting along salmon spawning stream.

USA, Alaska, Katmai National Park, Coastal Brown Bear (Ursus arctos) chases after spawning salmon in stream by Kukak Bay.

USA, Alaska, Katmai National Park, Coastal Brown Bear (Ursus arctos) bites into spawning pink salmon in stream along Kinak Bay.

USA, Alaska, Katmai National Park, Wide-angle view of Grizzly Bear (Ursus arctos) catches spawning salmon in stream along Kinak Bay

USA, Alaska, Katmai National Park, Grizzly Bear Sow (Ursus arctos) resting with cubs on tidal flats along Kukak Bay

USA, Alaska, Katmai National Park, Grizzly Bear Sow (Ursus arctos) fighting with smaller bear near cubs along Kukak Bay

USA, Alaska, Katmai National Park, Grizzly Bear (Ursus arctos) walking through salmon spawning stream along Kinak Bay at sunset on autumn evening

USA, Alaska, Katmai National Park, Grizzly Bear (Ursus arctos) running in shallow stream chasing after spawning salmon along Kinak Bay

USA, Alaska, Katmai National Park, Grizzly Bear (Ursus arctos) resting along tidal flats beneath coastal mountains along Kukak Bay at dawn

USA, Alaska, Katmai National Park, Close-up of Grizzly Bear (Ursus arctos) walking along salmon spawning stream by Kinak Bay on autumn morning

USA, Alaska, Katmai National Park, Biologist David Bidner photographs young Grizzly Bear (Ursus arctos) from close range along Kukak Bay

USA, Alaska, Katmai National Park, Kukak Bay, Mountain peaks reflected in still water as tide comes in on summer morning

USA, Alaska, Katmai National Park, Kukak Bay, Brown Bears (Ursus arctos) sparring in meadow at sunrise on late summer morning

USA, Alaska, Katmai National Park, Brown Bears (Ursus arctos) sparring along Kukak Bay in late summer

USA, Alaska, Katmai National Park, Brown Bears (Ursus arctos) playing in tall grass along Kukak Bay on summer afternoon

USA, Alaska, Katmai National Park, Brown Bear (Ursus arctos) sparring in meadow along Kukak Bay in late summer