Brown bear cubs (Ursus arctos) playing and mock fighting on the beach near the Brooks River in Katmai National Park near Bristol Bay, Alaska, USA. Pacific Ocean

2 alaska animal age animal group animalia animal animals america american americas animal theme animal themes bear bears bristol bay brooks river brown bear brown bears babies baby animal baby animals baby color color image color images colour image colour images colour cub cubs days day habitat habitats immature juvenile katmai katmai national park katmai np mammalia mock fights mock fight mock fighting 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 outdoors outside play fight play fighting play fights playful behaviour pretend fighting pretend fights protected area protected areas pair play behaviour playful playing play portrait river rivers to play two animals two us usa united states of america united states ursus arctos us usa vertical water young young animal young animals yearling yearlings youngsters s057