The Black howler is a species of howler monkey, a large New World monkey, from northeast Argentina, east Bolivia, east and south 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, even among the adult males there are variations, and some have patches of reddish-brown or buff fur.
They live in groups of three.. more
Specie identified by DragonC
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