male pronghorn antelope in yellowstone

pronghorn pronghornantelope antelope americanantelope willdife animal mammal animals mammals wildanimal antilocapraamericana northamericanwildlife northamericanmammal northamericananimal northamericanantelope prongbuck pronghornbuck malepronghorn prairieantelope americanfastest americanfastestmammal speedyanimal speedymammal fastanimal fastmammal herdwildlife herdanimal herdmammal herbivore herbivorousanimal herbivorouswildlife herbivorousmammal grazer grazinganimal grazingwildlife grazingmammal yellowstone yellowstonenationalpark yellowstonewildlife yellowstonemammal yellowstoneanimal