Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Primates have larger brains ...

If you liked this story, share it with other people. 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 ...

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 ...