Ammonite / Juvenile Black-handed / Geoffroy's spider monkey (Ateles geoffroyi) playing with a Mantled howler monkey (Alouatta palliata) in tree, Santa Rosa National Park, Costa Rica. Sequence 2/2.

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

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

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

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

Roland Seitre / Black-handed Spider Monkey (Ateles geoffroyi) mother and baby, captive, native to Central America. Endangered species.

Roland Seitre / Brown Spider Monkey (Ateles hybridus) El Paujil Bird Reserve, Puerto Pinzon, Puerto Boyaca, Colombia. Critically endangered species. Endemic to Colombia.

Roland Seitre / Brown Spider Monkey (Ateles hybridus) El Paujil Bird Reserve, Puerto Pinzon, Puerto Boyaca, Colombia. Critically endangered species. Endemic to Colombia.

Roland Seitre / Brown Spider Monkey (Ateles hybridus) El Paujil Bird Reserve, Puerto Pinzon, Puerto Boyaca, Colombia. Critically endangered species. Endemic to Colombia.

Roland Seitre / Black-handed spider monkey (Ateles geoffroyi) juveniles, Project Zoo Ave released animals. Monteverde Cloud Forest Reserve (Reserva Biolgica Bosque Nuboso Monteverde), Pilas de Canjel, Peninsula de Ni...

Roland Seitre / Black-handed spider monkey (Ateles geoffroyi) juveniles, Project Zoo Ave released animals. Monteverde Cloud Forest Reserve (Reserva Biolgica Bosque Nuboso Monteverde), Pilas de Canjel, Peninsula de Ni...

Roland Seitre / Black spider monkey (Ateles paniscus) captive at Singapore Zoo, Singapore. Vulnerable species. Native to eastern South America.

Roland Seitre / Chamek Spider Monkey (Ateles chamek) portrait, captive. Native to Peru, Bolivia and Brazil.

Roland Seitre / Chamek Spider Monkey (Ateles chamek) reaching into river to drink, whilst hanging from branch, captive. Native to Peru, Bolivia and Brazil.

Roland Seitre / Colombian Spider Monkey (Ateles fusciceps rufiventris) mother with baby caged in zoo. Native to Colombia and Panama.

Roland Seitre / Black handed spider monkey (Ateles geoffroyi) hanging from branch, captive La Marina Wildlife Rescue Center Zoo, Costa Rica. Native to Central America and Colombia.

Roland Seitre / Black spider monkey (Ateles paniscus) captive at Singapore Zoo, Singapore. Vulnerable species. Native to eastern South America.

Roland Seitre / Black-handed spider monkey (Ateles geoffroyi) jumping through trees, captive at Projet Zoo Ave rehabilitation centre, Reserva Biologica Bosque Escondido, Pilas de Canjel, Peninsula de Nicoya, Costa Ri...

Claudio Contreras / Central American spider monkey (Ateles geoffroyi) orphan hanging on washing line. Baby monkey was kept as pet by workers at El Mirador base camp, after mother was killed. Selva Maya Biosphere Reserve,...

Claudio Contreras / Central American spider monkey (Ateles geoffroyi) orphan hanging on washing line. Baby monkey was kept as pet by workers at El Mirador base camp, after mother was killed. Selva Maya Biosphere Reserve,...

Claudio Contreras / Central American spider monkey (Ateles geoffroyi) orphan hanging on washing line. Baby monkey was kept as pet by workers at El Mirador base camp, after mother was killed. Selva Maya Biosphere Reserve,...

Claudio Contreras / Central American spider monkey (Ateles geoffroyi) orphan hanging on washing line. Baby monkey was kept as pet by workers at El Mirador base camp, after mother was killed. Selva Maya Biosphere Reserve,...

Claudio Contreras / Central American spider monkey (Ateles geoffroyi) orphan hanging on washing line. Baby monkey was kept as pet by workers at El Mirador base camp, after mother was killed. Selva Maya Biosphere Reserve,...

Paul Harcourt Davies / Monkey orchid (Orchis simia) with green huntsman spider (Micrommata virescens), Italy, May.

Suzi Eszterhas / Black-handed Spider Monkey (Ateles geoffroyi), Osa Peninsula, Costa Rica

Suzi Eszterhas / Black-handed Spider Monkey (Ateles geoffroyi) mother and infant, Osa Peninsula, Costa Rica

Suzi Eszterhas / Black-handed Spider Monkey (Ateles geoffroyi) foraging for fruit while hanging, Osa Peninsula, Costa Rica

Kevin Schafer / Yucatan Spider Monkey (Ateles geoffroyi yucatanensis) pair in tree, Yucatan Peninsula, Mexico

Kevin Schafer / Yucatan Spider Monkey (Ateles geoffroyi yucatanensis) jumping to another tree, Yucatan Peninsula, Mexico

Juan Carlos Munoz / Geoffroy's spider monkey (Ateles geoffroy) silhouetted in a tree, Tortuguero National Park, Costa Rica.

Juan Carlos Munoz / Geoffroy's spider monkey (Ateles geoffroy) silhouetted in a tree, Tortuguero National Park, Costa Rica.

Juan Carlos Munoz / Black-headed spider monkey (Ateles fusciceps) portrait, captive, Apenheul Park, Netherlands.

Tim Laman / Spider Monkey (Ateles belzebuth) at the Tiputini Biodiversity Station, Orellana Province, Ecuador, July.

Tim Laman / Spider Monkey (Ateles belzebuth) in tree above the clay lick at the Tiputini Biodiversity Station, Orellana Province, Ecuador, July.

Roland Seitre / Black-handed Spider Monkey (Ateles geoffroyi) mother and juvenile, Reserva Biologica Bosque Escondido, Peninsula de Nicoya, Costa Rica

Suzi Eszterhas / Black-handed Spider Monkey (Ateles geoffroyi ornatus) sub adult, Osa Peninsula, Costa Rica

Suzi Eszterhas / Black-handed Spider Monkey (Ateles geoffroyi ornatus) sub adult, Osa Peninsula, Costa Rica

Suzi Eszterhas / Black-handed Spider Monkey (Ateles geoffroyi ornatus) with eyes and mouth wide, part of visual communication between spider monkeys in response to threats, Osa Peninsula, Costa Rica

Suzi Eszterhas / Black-handed Spider Monkey (Ateles geoffroyi ornatus) resting. Osa Peninsula, Costa Rica

Suzi Eszterhas / Black-handed Spider Monkey (Ateles geoffroyi ornatus) resting. Osa Peninsula, Costa Rica

Suzi Eszterhas / Black-handed Spider Monkey (Ateles geoffroyi ornatus) group of males in tree, Osa Peninsula, Costa Rica

Suzi Eszterhas / Black-handed Spider Monkey (Ateles geoffroyi ornatus) young female, captive in rehabilitation centre, Osa Animal Sanctuary, Costa Rica.

Suzi Eszterhas / Black-handed Spider Monkey (Ateles geoffroyi ornatus) young female, captive in rehabilitation centre, Osa Animal Sanctuary, Costa Rica

Suzi Eszterhas / Black-handed Spider Monkey (Ateles geoffroyi ornatus) young female, captive in rehabilitation centre, Osa Animal Sanctuary, Costa Rica.

Suzi Eszterhas / Black-handed Spider Monkey (Ateles geoffroyi ornatus) Osa Peninsula, Costa Rica

Suzi Eszterhas / Black-handed Spider Monkey (Ateles geoffroyi ornatus) with prehensile tail curled round, climbing tree, Osa Peninsula, Costa Rica

Suzi Eszterhas / Black-handed Spider Monkey (Ateles geoffroyi ornatus) mother and infant. Osa Peninsula, Costa Rica

Suzi Eszterhas / Black-handed Spider Monkey (Ateles geoffroyi ornatus) mother and infant. Osa Peninsula, Costa Rica

Suzi Eszterhas / Black-handed Spider Monkey (Ateles geoffroyi) feeding on flower nectar, Osa Peninsula, Costa Rica

Suzi Eszterhas / Black-handed Spider Monkey (Ateles geoffroyi) in tree, Osa Peninsula, Costa Rica

Suzi Eszterhas / Black-handed Spider Monkey (Ateles geoffroyi) leaping from tree, Osa Peninsula, Costa Rica

Suzi Eszterhas / Black-handed Spider Monkey (Ateles geoffroyi) leaping from tree, Osa Peninsula, Costa Rica

Suzi Eszterhas / Black-handed Spider Monkey (Ateles geoffroyi) male calling, Osa Peninsula, Costa Rica

Suzi Eszterhas / Black-handed Spider Monkey (Ateles geoffroyi) mother in tree with baby, Osa Peninsula, Costa Rica

Suzi Eszterhas / Black-handed Spider Monkey (Ateles geoffroyi) climbing in tree, Osa Peninsula, Costa Rica

Suzi Eszterhas / Black-handed Spider Monkey (Ateles geoffroyi) mother in tree with baby, Osa Peninsula, Costa Rica

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

Pete Oxford / White-bellied Spider Monkey (Ateles belzebuth) and baby hanging from branch, Yasuni National Park, Amazon Rainforest, Ecuador

Roland Seitre / Black-handed Spider Monkey (Ateles geoffroyi) walking across branch with curled tail. These monkeys have been captively bred and are being prepared for release into their natural forest habitat. Zoo A...

Roland Seitre / Black-handed Spider Monkey (Ateles geoffroyi) mother resting with baby on back. These monkeys have been captively bred and are being prepared for release into their natural forest habitat. Zoo Ave, Sa...

Roland Seitre / Black-handed Spider Monkey (Ateles geoffroyi) mother climbing with baby on back. These monkeys have been captively bred and are being prepared for release into their natural forest habitat. Zoo Ave, S...

Roland Seitre / Black-handed Spider Monkeys (Ateles geoffroyi) climbing around feeding barrel. These monkeys have been captively bred and are being prepared for release into their natural forest habitat. Zoo Ave, San...

Roland Seitre / Black-handed Spider Monkey (Ateles geoffroyi) hanging from ropes. These monkeys have been captively bred and are being prepared for release into their natural forest habitat. Zoo Ave, San Jose, Costa...

Roland Seitre / Black-handed Spider Monkey (Ateles geoffroyi) hanging from ropes. These monkeys have been captively bred and are being prepared for release into their natural forest habitat. Zoo Ave, San Jose, Costa...

Roland Seitre / Black-handed Spider Monkey (Ateles geoffroyi) hanging from ropes. These monkeys have been captively bred and are being prepared for release into their natural forest habitat. Zoo Ave, San Jose, Costa...

Roland Seitre / Black-handed Spider Monkey (Ateles geoffroyi) hanging from ropes. These monkeys have been captively bred and are being prepared for release into their natural forest habitat. Zoo Ave, San Jose, Costa...

Roland Seitre / Black-handed Spider Monkey (Ateles geoffroyi) hanging from branches. These monkeys have been captive bred and are being prepared for release into their natural forest habitat. Zoo Ave, San Jose, Costa...

Pete Oxford / White-bellied Spider Monkey (Ateles belzebuth) mother and young, Yasuni National Park, Amazon, Ecuador

ZSSD / Black Spider Monkey (Ateles paniscus) mother with baby climbing tree, Manu National Park, Peru

Pete Oxford / Huaorani Indian woman with her pet White-bellied Spider Monkey (Ateles belzebuth). They would have hunted the mother for meat and raised the baby as their pet. Gabaro Community, Yasuni National Park,...

Pete Oxford / Central American Spider Monkey (Ateles geoffroyi yucatanensis) in foliage. Coba Monkey Reserve, Yucatan Peninsula, Mexico.

Pete Oxford / Huaorani Indian woman with her pet White-bellied Spider Monkey (Ateles belzebuth). They would have hunted the mother for meat and raised the baby as their pet. Gabaro Community, Yasuni National Park,...

Pete Oxford / Huaorani Indian woman with her pet White-bellied Spider Monkey (Ateles belzebuth). They would have hunted the mother for meat and raised the baby as their pet. Gabaro Community, Yasuni National Park,...

Pete Oxford / Central American Spider Monkey (Ateles geoffroyi yucatanensis) in canopy. Yucatan Peninsula, Mexico.

Kevin Schafer / Young Yucatan Black-handed Spider Monkey (Ateles geoffroyi yucatanensis) swinging from a branch. Calakmul Biosphere Reserve, Mexico.

Kevin Schafer / Peruvian Yellow-tailed Woolly Monkey (Oreonax flavicauda) climbing in canopy. Critically endangered. Yugas Forests, Eastern Andes, Peru.

Pete Oxford / Pet Red-faced / Guyana spider monkey (Ateles paniscus) howling, captive, wild caught, Part of legal pet trade, Georgetown, Guyana

Jenny E. Ross / Male Wooly spider monkey / Northern muriqui (Brachyteles hypoxanthus) resting high in a tree top. Mata Atlantica, Minas Gerais, Brazil. September

Kevin Schafer / Yucatan Spider Monkey (Ateles geoffroyi yucatanensis) in tree canopy, Calakmul Biosphere Reserve, Mexico, Endangered species

Pete Oxford / Long haired / White-bellied Spider monkey (Ateles belzebuth) Amazoonico Animal Rescue Center (captive) Ecuador, South America

Pete Oxford / Young Long haired / White-bellied Spider monkey (Ateles belzebuth) being fed bottle of milk, Amazoonico Animal Rescue Center (captive) Ecuador, South America

Eric Baccega / Portrait of Brown spider monkey (Ateles hybridus) sitting, captive

David Tipling / Central American / Black handed spider monkey {Ateles geoffroyi} in forest, Tikal, Guatemala

David Tipling / Central American / Black handed spider monkey {Ateles geoffroyi} in forest, Tikal, Guatemala

Mark Bowler / Yellow-tailed woolly monkey (Oreonax / Lagothrix flavicauda) curled up on branch, Alto Mayo, Amazonas, Peru, critically endangered species

Mark Bowler / Yellow-tailed woolly monkey (Oreonax / Lagothrix flavicauda) hanging from branch, Alto Mayo, Amazonas, Peru, critically endangered species

Mark Bowler / Yellow-tailed woolly monkey (Oreonax / Lagothrix flavicauda) on branch with tail holding onto another branch, Alto Mayo, Amazonas, Peru, critically endangered species

Mark Bowler / Yellow-tailed woolly monkey (Oreonax / Lagothrix flavicauda) on branch with tail in air, Alto Mayo, Amazonas, Peru, critically endangered species

Mark Bowler / White bellied / Long haired spider monkey (Ateles belzebuth) portrait, Peruvian Amazon Rainforest, Peru, endangered species

Mark Bowler / Yellow-tailed woolly monkey (Oreonax / Lagothrix flavicauda) feeding on leaves, Alto Mayo, Amazonas, Peru, critically endangered species

Mark Bowler / Yellow-tailed woolly monkey (Oreonax / Lagothrix flavicauda) hanging from branch carrying baby, Alto Mayo, Amazonas, Peru, critically endangered species

Mark Bowler / Yellow-tailed woolly monkey (Oreonax / Lagothrix flavicauda) hanging from branch, Alto Mayo, Amazonas, Peru, critically endangered species

Mark Bowler / Yellow-tailed woolly monkey (Oreonax / Lagothrix flavicauda) on branch, Alto Mayo, Amazonas, Peru, critically endangered species

Mark Bowler / Yellow-tailed woolly monkey (Oreonax / Lagothrix flavicauda) in tree foraging, Alto Mayo, Amazonas, Peru, critically endangered species

Mark Bowler / Yellow-tailed woolly monkey (Oreonax / Lagothrix flavicauda) male reaching between branches, showing long yellow tuft of pubical hair, Alto Mayo, Amazonas, Peru, critically endangered species

Mark Bowler / White bellied / Long haired spider monkey (Ateles belzebuth) portrait, Peruvian Amazon Rainforest, Peru, Endangered species