A "humped animal" is generally used to describe a mammal that has a noticeable hump or humps on its back, such as camels, bison or yaks. However, there are several synonyms for the term "humped animal" that can be used to describe these creatures. One such term is "camelid," which refers specifically to animals that belong to the Camelidae family, such as camels, llamas and alpacas. Another synonym is "ruminant," which describes animals that have a four-chambered stomach and chew the cud, including bison, deer and antelope. Other terms that can be used to describe humped animals include "bovid," "ungulate" and "mammal with a prominent dorsal hump".