Herd of Wild Elk Shaking their Ears as the Graze on Grass in a Protected Meadow at Rocky Mountain National Park in Colorado - Closeup Static

elk deer wildlife grazing rocky mountain national park herd feeding horn group fauna national park nat geo omnivores grassland conservation rocky mountain adult herbivore ears species colorado chewing mammal meadow wild protected eating female woodlands standing wilderness feed behavior chew young resting freedom free eat shake field grass cow fur lying forest no people laying munch