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 Latin American monkeys. Living deep in Brazil’s south-central Amazon Basin, black howlers are endemic to an area just south of the Amazon River…

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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 macconnelli

CONSERVATION STATUS: LEAST CONCERN

The Guianan red howler monkey — also known as the Guyanan red howler — can be found in Guiana, French Guiana, Trinidad, Suriname, east of the Orinoco River in Venezuela, and north of the Amazon River in Brazil. They have also been observed living on the Ilha Tupinambarana, an island in Brazil surrounded by river channels…

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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: © Nelson Wisnik/iNaturalist/Creative Commons

Alouatta discolor

CONSERVATION STATUS: VULNERABLE

The Spix’s red-handed howler monkey, also known as the red-handed howling monkey, or Spix’s howler monkey, is native to central Brazil, specifically along the southeastern Amazon River in the State of Pará and extending slightly into the State of Mato Grosso. They occur mainly in the land area between four rivers…

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Photo: © Roberto Almeida/iNaturalist/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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Ursine Howler Monkey. © OlegRozhko/iNaturalist/Creative Commons

Alouatta arctoidea

CONSERVATION STATUS: LEAST CONCERN

The ursine howler monkey, also referred to as the ursine red howler, is one of 15 species of howler monkeys that occur throughout various parts of Central and South America. According to geographic data, the home range of the ursine red howler monkey includes Venezuela, and possibly parts of Colombia. In Venezuela, the…

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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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