70383074 - Pronghorn Antelope Antilocapra americana . South Dakota. Has true horns with the sheaths shedding each year, both sexes have horns. Family Antilocapridae. Only one species in this family, strictly North American.70383073 - Pronghorn Antelope Antilocapra americana . South Dakota. Has true horns with the sheaths shedding each year, both sexes have horns. Family Antilocapridae. Only one species in this family, strictly North American.
