Adult length: 22 to 36 in (55.8 to 91.4 cm); tail length: 23 to 36 in (58.4 to 91.4 cm); weight: 15 to 22 lbs (7 to 10 kg); coloration: the adult male is black; adult females and juveniles of both genders are overall whitish to yellowish-buff; appearance: wide, side-opening nostrils, no pads on their rumps, and a prehensile tail. They have beards and long, thick hair.