Elk, Wapiti (Cervus elaphus), bull shaking off water, Yellowstone National Park, Wyoming, USA

america american animal animals area areas artiodactyla bull canadensis cervidae cervus conservation day daylight daytime deer deers during elaphus elk elks even even toed exterior exteriors fauna kingdom mammal mammalia mammalian mammalians mammals national national natural nature nobody north of off outdoor park park parks photo photos preserve preserves reserve reserves ruminant ruminantia ruminants sanctuaries sanctuary shaking shot shots states tetrapod the toed toed ungulate ungulates united us us american usa vertebrata vertebrate vertebrates wapiti wapitis water wild wildlife world wyoming yellowstone