Spix’s Red-handed Howler

Spix's red-handed howler (Alouatta discolor) is a species of Howler monkey native to the southeastern Amazon in Brazil. It is threatened by deforestation and hunting. == Taxonomy == The species was previously considered a subspecies of the red-handed howler, but it is now treated as a separate species. == Description == Spix's red-handed howler has a similar appearance to the red-handed howler, but it has a yellowish-brown to reddish-brown back. Males weigh about 7.2 kg, females about 5.5 kg. == Distribution and habitat == The species is endemic to central Brazil, specifically along the southeastern Amazon River in the State of Pará. It occurs mainly in the interfluvial land area between four rivers, Tapajós, Juruena, Xingú and Irirí. The westernmost limit of native habitat lies on the right bank of the Tapajós River and Juruena River and stretches east to the banks of the Xingú River and Irirí River. This strip of land extends northward to Forte Curupá (Gurupá), Brazil, which is the northernmost extent of the distribution of Spix's red-handed howler and also its type locality. Spix's red-handed howler mainly inhabits lowland forests separated by dry areas as well as forests affected by seasonal flooding. == Ecology == The…