Bison gazing in lush pasture, flicking its tail

american bison american buffalo buffalo grazing animal game viewing national bison range grazing peacefully wildlife observation artiodactyl ungulates national wildlife refuge herbivorous artiodactyla hiding behind bush herbivore brown fur conservation area bovidae pasture graze meadow bull wild animal mammal grassland bovine montana ruminants wilderness flicking tail wild lush fodder nature ecology mammalia large head field solitary untamed intermountain bunchgrass prairie horns landscape outdoors shaggy fur coat solitude park greenery travel no people nobody