beta
Animal News: Bonobos Say No by Shaking Heads Like Human?
Flash Player Upgrade Required.
You must download and install the latest version of Adobe Flash Player to view this content. Click here to download.
Coming up next in 10 seconds
More Videos
-
© 2010 National Geographic; Video Christel Schneider
Bonobos Say No by Shaking Heads Like Human?
May 20, 2010—For the first time, according to researchers, bonobos have been recorded shaking their heads to discourage other bonobos from doing something—perhaps a "primitive precursor of the human head shake."