What is "tufted deer"

The tufted deer (Elaphodus cephalophus) is a small species of deer characterized by a prominent tuft of black hair on its forehead and fang-like canines for the males. It is a close relative of the muntjac, living somewhat further north over a wide area of central China northeastern Myanmar and have been recently seen in Afghanistan after it last appearance 60 years ago. Although suffering from overhunting and habitat loss, this deer is not considered to be endangered. It is the only member of the genus Elaphodus. It is restricted to forested mountain habitat up to 4500 m above sea level, making study difficult.