the only species (Antilocapra americana) of a family (Antilocapridae) of ruminants of Mexico and the W U.S., having curved horns, each with one prong, that are shed annually: resembles both the deer and the antelope
A small ruminant mammal (Antilocapra americana) resembling an antelope and having small forked horns, found on western North American plains. Also called pronghorn antelope.