Nick Garbutt / Black howler monkey (Alouatta caraya) resting in riverine forest canopy. Tributary of Cuiaba River, Mato Grosso, Pantanal, Brazil. September.
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Gabriel Rojo / Black howler monkey (Alouatta¶Ã¿caraya) female, Ibera Marshes, Corrientes Province, Argentina
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Luiz Claudio Marigo / Male Black Howler monkey (Alouatta caraya) at Encontro das aguas State Park, Pantanal, Mato Grosso State, Western Brazil.
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Roland Seitre / Black howler monkey (Alouatta caraya) male, captive at Singapore Zoo, Singapore. Native to South America.
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Roland Seitre / Black howler monkey (Alouatta caraya) female, captive at Singapore Zoo, Singapore. Native to South America.
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LYNN M. STONE / Black howler monkey {Alouatta caraya} female, Captive
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Nick Garbutt / Group of Black-and-gold howler monkeys (Alouatta caraya) females with infants, resting on tree branch, Cuiaba River, Northern Pantanal, Brazil.
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Joel Sartore / Photo Ark / Black howler monkey (Alouatta caraya) male, head and shoulders portrait, John Ball Zoo. Captive, occurs in South America.
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Joel Sartore / Photo Ark / Black howler monkey (Alouatta caraya) male, portrait, John Ball Zoo. Captive, occurs in South America.
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Joel Sartore / Photo Ark / Black howler monkey (Alouatta caraya) male, head and shoulders portrait, John Ball Zoo. Captive, occurs in South America.
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Joel Sartore / Photo Ark / Black howler monkey (Alouatta caraya) male, sitting, portrait, John Ball Zoo. Captive, occurs in South America.
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Paul Williams / Black howler monkey (Alouatta caraya) looking out from tree foliage, Belize, Central America.
