Two curious brown bear cubs (Ursus arctos), inspecting and gnawing on park ranger and service boats at the Brooks River in Katmai National Park near Bristol Bay, Alaska, USA. Pacific Ocean

1 alaska animal age animal group animal animalia animals america american americas animal theme animal themes bear bears bristol bay brooks river brown bear brown bears babies baby baby animal baby animals boats boat color image color images color colour colour image colour images cub cubs day days habitat habitats immature juvenile katmai national park katmai katmai np mammalia mammal mammals natural phenomena natural phenomenon natural world natural worlds nature north america national park national parks no one no people no person no body no one nobody np nps one one animal outdoors outside playful behaviour protected area protected areas play behaviour playful playing play portrait river rivers ship ships transportation transport to play us usa united states of america united states ursus arctos usa us vertical vessel vessels water young young animal young animals yearling yearlings youngsters s057 s057 te