pronghorn vs. antelope

noun

plural pronghorns, (especially collectively) pronghorn.
  1. a fleet, antelopelike ruminant, Antilocapra americana, of the plains of western North America: now greatly reduced in number and endangered in some areas.


noun

plural antelopes, (especially collectively) antelope.
  1. any of several ruminants of the family Bovidae, chiefly of Africa and Asia, having permanent, hollow, unbranched horns.
  2. leather made from the hide of such an animal.