Description

The chevrotains (Tragulidae) have many ruminant features such as a four-chambered stomach (with a poorly developed omasum), no upper incisor teeth, and incisor-like lower canines, but they also resemble pigs and hippopotami in having four toes with supporting bones, as well as incomplete fusion of the third and fourth metacarpals and metatarsals.42,57 Members of this family lack antlers and have elongated upper canines as in musk deer and Chinese water deer (Hydropotes inermis) and, like musk deer, also possess a gallbladder and lack preorbital scent glands. However, they do possess a chin gland.