The Purús red howler (Alouatta puruensis) is a species of howler monkey native to Brazil, Peru and north of Bolivia. Cornejo, F.M.; Boubli, J.P.; Alves...

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

The Colombian red howler or Venezuelan red howler (Alouatta seniculus) is a South American species of howler monkey, a type of New World monkey, found...

Alouatta caraya Alouatta pigra Alouatta seniculus Alouatta arctoidea Alouatta sara Alouatta macconnelli Alouatta guariba Alouatta belzebul Alouatta palliata...

Alouatta puruensis Bolivian red howler, Alouatta sara Venezuelan red howler, Alouatta seniculus Maranhão red-handed howler, Alouatta ululata Alouatta...

The Coiba Island howler (Alouatta coibensis) is a type of howler monkey, a type of New World monkey, endemic to Panama. Although the Coiba Island howler...

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...

less than 45 feet (14 m).[citation needed] The Purús red howler (Alouatta puruensis) is a species of howler monkey native to Brazil, Peru and north of...

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 southeastern...