Deep in the forests of Mexico’s Yucatan Peninsula, a story of animal intelligence and social cooperation has unfolded over ...

Introduction / Christina J. Campbell -- Morphology and evolution of the spider monkey, genus Ateles / Alfred L. Rosenberger ... [et al.] -- The taxonomic status of spider monkeys in the twenty-first ...

(Roy Toft / National Geographic Stock) Spider monkeys have complex behaviors that vary from group to group, according to a comparison of five isolated populations in Central America. In some groups ...

Campbell, Christina J. 2006. "Copulatory behavior of free ranging black-handed spider monkeys (Ateles geoffroyi)." American Journal of Primatology, 68 507–511.

Paul Rosolie is an American conservationist and author. His 2014 memoir, Mother of God, detailed his efforts to protect a tract of forest in Peru through his organization, Junglekeepers. In this ...

Brown spider monkeys (Ateles hybridus) are some of the world’s most threatened primates, as deforestation has razed about 85% of their habitat in Colombia. With monkey populations living in patches of ...

I’ve learned to speak some spider monkey over the years. As a conservationist working out of the Peruvian Amazon Rainforest, I’ve spent years of my life in the jungle. I sleep outdoors more nights ...