Pete Oxford / Long haired / White bellied spider monkey hanging in tree by tail {Ateles belzebuth} Manu NP,

Pete Oxford / Yellow Bellied Spider Monkey (Ateles belzebuth belzebuth) Amazonian Ecuador South-America

Lucas Bustamante / White-bellied spider monkey (Ateles belzebuth) Yasuni National Park, Orellana, Ecuador.

Cyril Ruoso / White-bellied spider monkey (Ateles belzebuth) holding branch with prehensile tail, Pacaya Samiria NP, Amazon, Peru

Juergen & Christine Sohns / White-bellied Spider Monkey (Ateles belzebuth) mother with young, Frankfurt, Germany

Cyril Ruoso / White-bellied Spider Monkey (Ateles belzebuth), Pacaya Samiria National Park, Peru

Pete Oxford / White-bellied spider monkey (Ateles belzebuth) climbing from tree to tree, Yasuni National Park, Amazon Rainforest, Ecuador. South America.

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.

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

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

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,...