Two male chimps on a fig tree. Photo by Caelio via Wikimedia Commons Chimpanzees have a lot to gain from climbing the social ladder. It now appears that lower-ranking male chimps strengthen bonds with their friends in high places by alerting them to some good eats. Researchers experimentally captured this communication–amounting to “hey buddy, there’s some food over here”–for the first time among a society of wild chimpanzees in Uganda. [More] ...
http://blogs.scientificamerican.com/mind-guest-blog/2013/12/20/chimps-
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