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Howler monkeys ID in Brazil (1 Viewer)

jocateme

Well-known member
Hello!

These howler monkeys were photographed in south Mato Grosso do Sul state, central Brazil, on two different occasions. I'm having a hard time identifying which Alouatta sp. they are, but my best guess is either A. guariba or A. caraya, or both of them. Can anybody help?

Thanks in advance!
 

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