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A male Guinea baboon (Papio papio) at the Indianapolis Zoo.

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A male Guinea baboon (Papio papio) at the Indianapolis Zoo.

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A male Guinea baboon (Papio papio) at the Indianapolis Zoo.

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A male Guinea baboon (Papio papio) at the Indianapolis Zoo.

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A male black howler monkey (Alouatta caraya) named ‘Tater’ at the John Ball Zoo.

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A male black howler monkey (Alouatta caraya) named ‘Tater’ at the John Ball Zoo.

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A male black howler monkey (Alouatta caraya) named ‘Tater’ at the John Ball Zoo.

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A male black howler monkey (Alouatta caraya) named ‘Tater’ at the John Ball Zoo.

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A captive, five-month-old mandrill (Mandrillus sphinx) in Malabo, Equatorial Guinea. The species is listed as vulnerable by IUCN.

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A burnished saki monkey (Pithecia inusta) at Parque de las Leyendas in Lima, Peru.

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A burnished saki monkey (Pithecia inusta) at Parque de las Leyendas in Lima, Peru.

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A burnished saki monkey (Pithecia inusta) at Parque de las Leyendas in Lima, Peru.

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A burnished saki monkey (Pithecia inusta) at Parque de las Leyendas in Lima, Peru.

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An Andean saddle-back tamarin (Leontocebus leucogenys) at Parque Zoológico Huachipa in Lima, Peru. This species was formerly known as Sanguinus fuscicollis leucogenys.

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An Andean saddle-back tamarin (Leontocebus leucogenys) at Parque Zoológico Huachipa in Lima, Peru. This species was formerly known as Sanguinus fuscicollis leucogenys.

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An Andean saddle-back tamarin (Leontocebus leucogenys) at Parque Zoológico Huachipa in Lima, Peru. This species was formerly known as Sanguinus fuscicollis leucogenys.

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An Andean saddle-back tamarin (Leontocebus leucogenys) at Parque Zoológico Huachipa in Lima, Peru. This species was formerly known as Sanguinus fuscicollis leucogenys.

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An Andean saddle-back tamarin (Leontocebus leucogenys) at Parque Zoológico Huachipa in Lima, Peru. This species was formerly known as Sanguinus fuscicollis leucogenys.

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An Andean saddle-back tamarin (Leontocebus leucogenys) at Parque Zoológico Huachipa in Lima, Peru. This species was formerly known as Sanguinus fuscicollis leucogenys.

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A Rio Mayo titi monkey (Callicebus oenanthe) at Parque Zoológico Huachipa in Lima, Peru. This species is listed as critically endangered by the IUCN.

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A Rio Mayo titi monkey (Callicebus oenanthe) at Parque Zoológico Huachipa in Lima, Peru. This species is listed as critically endangered by the IUCN.

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A Rio Mayo titi monkey (Callicebus oenanthe) at Parque Zoológico Huachipa in Lima, Peru. This species is listed as critically endangered by the IUCN.

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A red uakari monkey (Cacajao calvus ucayalii) at the LA Zoo. This species is listed as vulnerable on the IUCN red list.

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A bare-eared squirrel monkey (Saimiri ustus) at BioParque do Rio.

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A bare-eared squirrel monkey (Saimiri ustus) at BioParque do Rio.

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A female purús red howler monkey (Alouatta seniculus puruensis) at Fundacao Jardim Zoologico de Brasilia.

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A female purús red howler monkey (Alouatta seniculus puruensis) at Fundacao Jardim Zoologico de Brasilia.

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A female purús red howler monkey (Alouatta seniculus puruensis) at Fundacao Jardim Zoologico de Brasilia.

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A male red-handed howler monkey (Alouatta belzebul) at Fundacao Jardim Zoologico de Brasilia. This species is listed as vulnerable on the IUCN Red List.

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A male red-handed howler monkey (Alouatta belzebul) at Fundacao Jardim Zoologico de Brasilia. This species is listed as vulnerable on the IUCN Red List.

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A male red-handed howler monkey (Alouatta belzebul) at Fundacao Jardim Zoologico de Brasilia. This species is listed as vulnerable on the IUCN Red List.

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An Ecuadorian squirrel monkey (Saimiri cassiquiarensis) at Zoologico de Quito.

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An Ecuadorian squirrel monkey (Saimiri cassiquiarensis) at Zoologico de Quito.

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A female Gray’s crowned guenon (Cercopithecus pogonias grayi) named Amanda, named after Spock’s mother in Star Trek. There are five individuals left of this species, which is a phase out species, meaning when they’re gone, that’s it.

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A vulnerable red uakari monkey (Cacajao calvus ucayalii).

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A crab-eating macaque (Macaca fascicularis fascicularis) at Monkey Forest.

Photo: Julie Jensen Director of Marketing | WVC O: 866.800.7326 | D: 702.443.9249 | E: j.jensen@wvc.org

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