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

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 / 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

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

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

Thomas Marent / White-bellied Spider Monkey (Ateles belzebuth) portrait, Iquitos, Peru

Pete Oxford / White-bellied Spider Monkey (Ateles belzebuth) portrait, vulnerable species, Amazon Rainforest, Ecuador

Pete Oxford / White-bellied Spider Monkey (Ateles belzebuth) portrait, vulnerable species, Amazon Rainforest, Ecuador

Pete Oxford / White-bellied Spider Monkey (Ateles belzebuth) hanging from tree, vulnerable species, Amazon Rainforest, Ecuador

Pete Oxford / White-bellied Spider Monkey (Ateles belzebuth) calling while hanging from tree, vulnerable species, Amazon Rainforest, Ecuador

Nick Gordon / Spider monkey {Ateles belzebuth chamek} female with baby, Amazonia, Brazil

Nick Gordon / Spider monkey {Ateles belzebuth chamek} male resting in canopy, Amazonia, Brazil

Adam White / Spider Monkey (Ateles sp) probably Long-haired Spider Monkey (Ateles belzebuth) Captive, USA

Pete Oxford / White-bellied / Long haired spider monkey {Ateles belzebuth} Amazonia, Ecuador captive

Pete Oxford / White-bellied / Long haired spider monkey {Ateles belzebuth} Amazonia, Ecuador captive

Pete Oxford / Long haired spider monkey eats minerals at clay lick, {Ateles belzebuth} Peru Manu

Pete Oxford / White-bellied / Long haired spider monkey {Ateles belzebuth} Amazonia, Ecuador captive

Pete Oxford / White-bellied / Long haired spider monkey {Ateles belzebuth} Amazonia, Ecuador captive

Pete Oxford / Mother and baby White-bellied / Long haired spider monkeys {Ateles belzebuth} eating clay for mineral content. Manu National Park, Peru, South America

Murray Cooper / White-bellied Spider Monkey (Ateles belzebuth) hanging in tree, Amazon, Ecuador

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

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

Pete Oxford / White-bellied Spider Monkey (Ateles belzebuth) climbing down tree, Yasuni National Park, Amazon, Ecuador

Nick Gordon / Long haired spider monkeys. (Ateles belzebuth) Brazil Black faced. hanging.

Joel Sartore / Photo Ark / White-bellied spider monkey (Ateles belzebuth) with arm raised, portrait, Quistococha Zoo, Peru. Captive. Endangered.