Buffalo (Bison bison) herd crossing the Yellowstone River in Yellowstone National Park, Wyoming, USA.

1 animal themes animal theme animals bison bison buffalo buffalos crossing hayden valley horizontals horizontal in the wild landscape mammal mammals national parks national park no one no people no person no body no one nobody np nps one animal one river rivers submerged to cross water wildlife wild wild animal wild animals yellowstone national park yellowstone river yellowstone