raging bison buffalo bulls fighting during the annual rut in hayden valley in yellowstone national park united states

animal mammal wildlife zoo bison american buffalo bull bulls male four fighting rut hayden valley lamar yellowstone river grand teton wind cave theodore roosevelt national park custer state black hills brown orange running goring dust native people tatanka tatonka grass grassland wild wilderness mountains nature horn west western wyoming idaho montana south dakota north united states usa america raging annual