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

2 animal themes animal theme animals dams dam forage foraging hayden valley habitat horizontal horizontals in the wild lontra canadensis landscape looking for food mammals mammal national parks national park no one no people no person no body no one nobody np nps otter otters pair river otter river otters river rivers two animals two water wild animal wild animals wildlife wild yellowstone national park yellowstone river yellowstone