Black spider monkeys (Ateles fusciceps) photographed at Omaha's Henry Doorly Zoo and Aquarium in Nebraska.
Photograph by Joël Sartore, National Geographic Photo ArkA Mexican spider monkey (Ateles geoffroyi vellerosus) photographed at Gladys Porter Zoo in Brownsville, Texas
Photograph by Joël Sartore, National Geographic Photo ArkA Nicaraguan spider monkey (Ateles geoffroyi geoffroyi) photographed at Wellington Zoo in New Zealand
Photograph by Joël Sartore, National Geographic Photo ArkA Colombian spider monkey (Ateles fusciceps rufiventris) photographed at Summit Municipal Park in Gamboa, Panama.
Photograph by Joël Sartore, National Geographic Photo ArkA Colombian spider monkey (Ateles fusciceps rufiventris) photographed at Parque Jaime Duque in Bogotá, Colombia.
Photograph by Joël Sartore, National Geographic Photo Ark