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Red Uakari Monkey in the Rain Forest

Photo: Red uakari monkey in the rain forest
Bright, bald, and very red—potential mates of the red uakari look for these distinguishing features in healthy monkeys. Paler monkeys may be ill with malaria or other diseases.
Photograph by Mattias Klum

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Amazonian Animal Features

Photo: Jaguar

Amazing Amazonia

Get to know the diverse fauna of the Southwestern Amazonian Moist Forests, from tapirs to toucans to three-toed sloths, in this feature.

Photo: Orinoco crocodile

Photo of the Day: Toothy Smile

See a close-up of an Orinoco crocodile lounging by the banks of South America's Orinoco River.

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