The Bolivian red howler (Alouatta sara) is a species of howler monkey, a type of New World monkey, endemic to Bolivia. It can be found in rain forests...

population in the Santa Cruz Department in Bolivia was split off as a separate species, the Bolivian red howler, in 1986, and more recently, splitting off...

Bolivian red howler (Alouatta sara) – Santa Cruz Department, Bolivia Guyanan red howler (Alouatta macconnelli) – northeastern South America Juruá red...

Howler monkeys (genus Alouatta, monotypic in subfamily Alouattinae) are the most widespread primate genus in the Neotropics and are among the largest of...

The Guyanan red howler (Alouatta macconnelli) is a species of howler monkey, a type of New World monkey, native to Suriname, Guyana, Trinidad, French Guiana...

black howler (Alouatta caraya) or black-and-gold howler, is among the largest New World monkeys and a member of the Alouatta genus. The black howler is distributed...

The brown howler (Alouatta guariba), also known as brown howler monkey, is a species of howler monkey, a type of New World monkey that lives in forests...

The red-handed howler (Alouatta belzebul) is a vulnerable species of howler monkey, a type of New World monkey. It is endemic to Brazil, found in the...

The Purús red howler (Alouatta puruensis) is a species of howler monkey native to Brazil, Peru and north of Bolivia. The subspecies include: A. p. amazonica...

The Yucatán black howler, or Guatemalan black howler, (Alouatta pigra) is a species of howler monkey, a type of New World monkey, from Central America...