Closeup view on white European bison face covered in snow, winter snowfall

european bison bison bonasus european buffalo face wild animal ruminant snow winter snowfall white buffalo european bison winter coats covered in snow european wood bison winter coat thick coat wisent rewilding wildlife telephoto high key snowy snow covered snowstorm coat bovine herbivore shaggy wild nature ecology herbivorous horns fur animal brown fauna hoofed beast beard conservation avesta near threatened no people nobody