photo: Joey Verge/ Flickr Every night, wild chimpanzees build themselves nests high in the trees and tuck themselves in for a good night's sleep. But no one knows exactly what makes these nests good sleeping spots for chimps. So biological anthropologist Fiona Stewart decided to find out — by bedding down in the chimp nests herself.
(via LiveScience )
Why do chimps sleep in nests? | MNN - Mother Nature Network
