A family of river otters (Lontra canadensis) foraging in the Yellowstone River in Hayden Valley in Yellowstone National Park, Wyoming

2 animal animalia animal families animal family animal theme animal themes animals color color image color images colour colour image colour images day days families family horizontal horizontals lontra canadensis landscape mammalia mammal mammals national park national parks no one no people no person no body no one nobody np nps otter otters outdoors outside pair river otter river otters related relations relationship relationships river rivers sequence sequences series sister shots sister shot two two animals yellowstone river s054