The prominent mane occurs in both genders and begins growing in at about 3 months of age. They have a black body and a conspicuous long black tail with a slight tuft of hair on the tip.
Face is bare and black in adults, bright pink in the newborn.
Males have projecting canines. One young born. Gestation 162-186 days. No specific breeding season. Females mature at 5 years, males at 8 years.