Bison crossing road in front of snowmobile, Yellowstone National Park, Wyoming, USA, America

animals people national park snow covered bison north america wildlife landscape snowcapped wood nature forest incidental people wyoming people in the background travel snowcapped scenics snowmobile evening winter full length dusk outdoors cold yellowstone national park snow animal themes usa america one animal person bison usa wyoming yellowstone nationalpark crossing dawn dusk horizontal road snow snowmobiler tourism tourist travel winter