"Chimpanzee ground nests offer new insight into our ancestors' descent from the trees"
Source: Wiley-Blackwell
Date: April 16, 2012
Summary:
“The first study into rarely documented ground-nest building by wild chimpanzees offers new clues about the ancient transition of early hominins from sleeping in trees to sleeping on the ground. While most apes build nests in trees, this study focused on a group of wild West African chimpanzees that often shows ground-nesting behavior.”
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