HOWLER MONKEYS

The howler monkey genus, Alouatta, includes at least fourteen species and seven subspecies

Photo credit: © Leonardo Merçon/ iNaturalist/Creative Commons

Alouatta nigerrima

CONSERVATION STATUS: NEAR THREATENED

The Amazon black howler monkey is most commonly known as simply the “black howler”. As its name suggests, it is a species of howler monkey, part of the Atelidae family of New World monkeys. Living deep in Brazil’s south-central Amazon Basin, black howlers are endemic to an area just south of the Amazon River. Locals have…

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Alouatta caraya

CONSERVATION STATUS: NEAR THREATENED

Black-and-gold howler monkeys, also known as black howler monkeys, are found in the rainforests of central South America. These New World monkeys range through eastern Bolivia, southern Brazil, Paraguay, and northern Argentina. Their habitat varies from tropical semi-deciduous forests to tropical deciduous…

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Alouatta sara

CONSERVATION STATUS: NEAR THREATENED

The Bolivian red howler monkey occurs in central and northern Bolivia. Despite its name, this species is also found in southern Peru. In Bolivia, these monkeys are found from the Department of Pando south along the Andean Cordillera and east into central Bolivia. Their range includes the Río Beni basin and extends east as far…

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Alouatta guariba

CONSERVATION STATUS: VULNERABLE

The brown howler monkey is endemic to the lush Atlantic Forest of Brazil and Argentina. They are the only primate species found on the Brazilian island of Ilha do Cardoso and in the Upper Parana Atlantic Forest of Argentina. They occupy a variety of forest types, including lowland and mountain forests, and semideciduous…

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Alouatta seniculus

CONSERVATION STATUS: LEAST CONCERN

The Colombian red howler is found throughout the Western Amazon Basin in South America, with populations recorded in Brazil, Colombia, Ecuador, Peru, Trinidad and Tobago, and Venezuela. Their range blends extensively with the ranges of other howler monkey subspecies. They live in several types of forest, including primary…

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Alouatta palliata

CONSERVATION STATUS: VULNERABLE

The most widely distributed of the howlers, the mantled howler monkey is found in Colombia, Costa Rica, Ecuador, Guatemala, Honduras, Mexico, Nicaragua, Panama, and Peru. They are mostly found in primary forests (forests that have not been disturbed by human activities), which have more of the tree species they rely on…

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Photo credit: Sidnei Dantas/Creative Commons

Alouatta belzebul

CONSERVATION STATUS: VULNERABLE

The red-handed howler monkey has a disjunct distribution ranging from eastern Amazonia to the northeastern Atlantic forests. Their habitats encompass South Amapá, Maranhão, Para, Tocantins, and Sergipe. They have also been spotted in the Amazon estuary, residing on islands such as Marajó, Mexiana, and Caviana. It is

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Alouatta pigra

CONSERVATION STATUS: ENDANGERED

Yucatan black howler monkeys, also known as Central American black howler monkeys, Mexican black howler monkeys, Belizean howler monkeys, Guatemalan black howling monkeys, and Mesoamerican black howler monkeys, are found in southeastern Mexico, northern Guatemala, and throughout Belize. These monkeys…

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