Claudio Contreras / Central American spider monkey (Ateles geoffroyi) juveniles hanging by tails and playing, Calakmul Biosphere Reserve, Yucatan Peninsula, Mexico, August

Suzi Eszterhas / Black-handed spider monkey (Ateles geoffroyi), Osa Peninsula, Costa Rica.

Ammonite / Black-handed / Geoffroy's spider monkey (Ateles geoffroyi) feeding on figs, Santa Rosa National Park, Costa Rica.

Claudio Contreras / Central American Spider Monkey (Ateles geoffroyi) in tree, Punta Laguna, Otoch Ma'ax Yetel Kooh Reserve, Yucatan Peninsula, Mexico, October. Endangered species.

Claudio Contreras / Central American Spider Monkey (Ateles geoffroyi) orphan baby hanging from washing line. El Mirador- Rio Azul National Park, Department of Peten, Guatemala.

Claudio Contreras / Central American Spider Monkey (Ateles geoffroyi) juvenile, Punta Laguna, Otoch Ma'ax Yetel Kooh Reserve, Yucatan Peninsula, Mexico, October. Endangered species.

Thomas Marent / Black-handed Spider Monkey (Ateles geoffroyi) using prehensile tail, Belize

Ingo Arndt / Black-handed Spider Monkey (Ateles geoffroyi) hanging by its prehensil tail in forest canopy, Santa Rosa National Park, Costa Rica

Claudio Contreras / Central American Spider Monkey (Ateles geoffroyi) with fruit in mouth, Dzibanche, Yucatan Peninsula, Mexico, August

Claudio Contreras / Central American spider monkey (Ateles geoffroyi) feeding, Dzibanche, Yucatan Peninsula, Mexico, August

Claudio Contreras / Central American spider monkey (Ateles geoffroyi) juvenile, Calakmul Biosphere Reserve, Yucatan Peninsula, Mexico, August

Claudio Contreras / Central American spider monkey (Ateles geoffroyi) juvenile eating, Calakmul Biosphere Reserve, Yucatan Peninsula, Mexico, August