Antelopes skulls are museum quality replicas. Cast in durable Polyurethane resins. Made in USA. Antelopes such as Bay Duiker skull, Peter's Duiker skull/Antlers are herbivorous hoofed mammals of the family Bovidae in the order of even-toed ungulates. These animals are spread relatively evenly throughout the various subfamilies of Bovidae and many are more closely related to cows or goats than to each other. There are many species of antelope, ranging in size from the tiny Royal Antelope to the Ox-like Elands.