- mule deer, burro deer, Odocoileus hemionus - long-eared deer of western North America with two-pronged antlers
--1 is a kind of deer, cervid
--1 is a member of Odocoileus, genus Odocoileus
--1 has particulars:black-tailed deer, blacktail deer, blacktail, Odocoileus hemionus columbianus