European bison shivering and flicking tail to remove pesky biting flies, closeup

european bison beast european wood bison bison bonasus european buffalo buffalo wilderness flicking tail shaggy shivering brown remove pesky meadow flies closeup european winter coat beard bovine ruminant wisent wild animal shedding winter fur coat bison wildlife thick coat herbivore shed wild nature ecology outdoors herbivorous field horns fur bovinae bovidae animal fauna hoofed no people coat herd animal