Water deer : A small Chinese deer (Hydropotes inermis). Both sexes are destitute of antlers, but the male has large, descending canine tusks.

Water deer : The water chevrotain.

Example:


Taxonomy
water deer, deer, buck, tusks, females, Hydropotes inermis, Chinese Water Deer, Family Bovidae, species, territory, upper canines, subfamily Bovinae, free encyclopedia, Hydropotinae, Hydropotes, inermis, legs, ears.

Defination from the web:
Water deer are indigenous to the lower reaches of the Yangtze River, coastal Jiangsu province (Yancheng Coastal Wetlands), and islands of ... Chinese Water Deer were first introduced into Great Britain in the 1870s and were kept in the London Zoo. ...