It's taken a long time, conservationists say, partly because of complicated land ownership issues.
Squirrel monkeys must contend with habitat loss, decreasing genetic diversity, and the curse of being cute.
A recent study finds a link between deforestation and risk of monkey-transmitted malaria.
As the bushmeat trade drives the Bioko drill monkey toward extinction, some West Africans are realizing these animals are worth more in the woods than on the plate.
How coconuts can help us re-think citizenship.
Self-awareness isn’t what sets up apart from other animals, even if a lot of early science assumed that to be the case. Monkeys, too, demonstrate metacognition, and they may have other kinds of awareness as well.