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This endangered Mandrill was photographed by National Geographic Photographer Joel Sartore in Malabo, Equatorial Guinea, Africa in his ambitious project to document every species living in our world’s zoos, aquariums and wildlife sanctuaries—inspiring people not just to care, but also to help protect these animals for future generations.

Before Mandrills disappear learn how you can help at nationalgeographic.org/projects/photo-ark/.

PHOTO BY Joel Sartore, National Geographic Photo Ark

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