Mother brown bear sow (Ursus arctos) mock fighting with her two-year old cub at the Brooks River in Katmai National Park near Bristol Bay, Alaska, USA. Pacific Ocean

2 alaska animal age animal family animal animal gender animal group animal parent animalia animals adult animal adult animals adult america american americas animal families animal theme animal themes bear bears bristol bay brooks river brown bear brown bears babies baby animal baby baby animals color image color images color colour image colour colour images close close up close ups close up close ups cub cubs days day female fully grown habitat habitats horizontal horizontals immature juvenile katmai katmai national park katmai np landscape mammalia mock fight mock fighting mock fights mammal mammals mature mother mothers 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 pretend fighting pretend fights protected area protected areas pair parents river rivers sex two animals two us usa united states of america united states ursus arctos us usa up close up close upclose water young young animal young animals yearling yearlings youngsters s057