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UNGULATE, common name applied to any hoofed mammal. The ungulates constitute a large group of dissimilar animals whose last toe joints are encased in hoofs. The group is divided into four orders. The odd-toed ungulates are in the order Perissodactyla, which includes the horse, ass, rhinoceros, and tapir. Even-toed ungulates are in the order Artiodactyla, which includes the pig (see HOG) and ruminants such as the hippopotamus, camel, giraffe, antelope, deer, cattle, sheep, and goats. The other orders comprise the elephant (order Proboscidea) and the rabbitlike hyrax (order Hyracoidea), the two extremes in size among the hoofed animals. Most ungulates are herbivorous. Ungulate species are native to all continents except Australia. |