Pronghorn (Antilocapra americana), male standing in grass, Yellowstone NP, Wyoming, USA

america american americana animal animals antelope antelopes antilocapra artiodactyla buck bucks day daylight daytime during even even toed exterior exteriors fauna grass in kingdom male mammal mammalia mammalian mammalians mammals nature nobody north np of outdoor photo photos prong pronghorn pronghorn pronghorns ruminant ruminantia ruminants shot shots standing states tetrapod the toed toed ungulate ungulates united us us american usa vertebrata vertebrate vertebrates wild wildlife world wyoming yellowstone