Brown Howler, Alouatta guariba
The brown howler (Alouatta guariba) is a New World monkey that is native to the far northeastern portions of Argentina, and Brazil. It is also commonly known as the brown howling monkey. Although its name implies that it is brown, it can vary in color with some individuals appearing to be redder in color or even black. It typically lives in small groups that contain up to eleven individuals. It holds two subspecies, one of which is critically endangered. The brown howler as a species appears on the IUCN Red List with a conservation status of “Least Concern”.
Image Caption: Brown Howler Monkey, Alouatta guariba clamitans Horto Florestal de São Paulo. Credit: Dario Sanches /Wikipedia(CC BY-SA 2.0)