Pardon me.

The page you are looking for may not exist, or we may be experiencing an error. We're terribly sorry, but please visit our homepage at natgeo.org to see what's new.

This endangered mandrill (Mandrillus sphinx) was photographed by National Geographic Photographer Joel Sartore on Bioko Island, Equatorial Guinea, in his ambitious project to document every species in captivity—inspiring people not just to care, but also to help protect these animals for future generations. Before drills disappear, like this webpage has, learn how you can help at nationalgeographic.org/projects/photo-ark/.

Photo by Joel Sartore, National Geographic Photo Ark