Baby Howler
Young male about two weeks old. Only the females and juveniles are blonde, the males will turn jet black when they reach sexual maturity at around 5 years old.
The Howler monkey is the loudest of all land mammals and their call can be heard for up to 2 miles away!
Howlers are one of only three monkeys with fully prehensile tails (the others are spider and wooly) their tails are a full fifth limb and can suspend their full body weight. The ridge of skin under their tail has a fingerprint just like ours.
The black howler is a species of howler monkey, a large New World monkey, from northeastern Argentina, eastern Bolivia, eastern and southern Brazil, and Paraguay. Together with the brown howler, it is the southernmost member of the "Alouatta" genus. Only the adult male is black; adult females and juveniles of both genders are overall whitish to yellowish-buff. However, variations occur even among the adult males; some have patches of reddish-brown or buff fur.