How orangutan engineers build safe and comfortable treetop beds
Chimpanzee behavior suggests tree-to-ground transition occurred before emergence of ancient humans 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, published in the American Journal of Physical Anthropology, focused on a group of wild West African chimpanzees that often shows ground-nesting behavior. An international team of primatologists from the University of Cambridge and Kyoto University, led by Dr Kathelijne Koops, studied the chimpanzee (Pan troglodytes verus) population in the Nimba Mountains in Guinea, West Africa. All species of great ape build nests to sleep in each night. Construction of these shelters takes minutes as the apes bend, break and interweave branches into a circular frame, followed by tucking in smaller branches to form a sturdy but comfortable sleeping platform. "We believe that, like modern
How orangutan engineers build safe and comfortable treetop beds
We normally think of nests as the creations of birds, but our ape cousins ...
Mon 16 Apr 12 from Discover Magazine
How orangutan engineers build safe and comfortable treetop beds, Mon 16 Apr 12 from Discover Magazine
Chimpanzee ground nests offer new insight into our ancestors descent from the trees
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. ...
Mon 16 Apr 12 from Phys.org
Chimpanzee ground nests offer new insight into our ancestors descent from the trees, Mon 16 Apr 12 from e! Science News
Chimpanzee ground nests offer new insight into our ancestors descent from the trees, Mon 16 Apr 12 from Labspaces.net
Chimpanzee Ground Nests Offer New Insight Into Our Ancestors Descent From The Trees, Mon 16 Apr 12 from RedOrbit
Chimpanzee ground nests offer new insight into our ancestors' descent from the trees, Mon 16 Apr 12 from ScienceDaily
Chimp beds hint how early humans ditched tree-sleeping
Evidence that some chimps routinely eschew the safety of treetops to sleep on the ground raises the possibility that some early hominins did too
Thu 12 Apr 12 from Newscientist
Apes' Simple Nests Are Feats of Engineering
These nests are so complicated, it makes me want to take a nap
Mon 16 Apr 12 from Livescience
Earlier exit of early man from trees?
CAMBRIDGE, England, April 12 (UPI) -- Evidence that chimps often leave the safety of trees to sleep on the ground raises the possibility that some early hominins did too, British researchers ...
Thu 12 Apr 12 from UPI
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