(PhysOrg.com) -- In a recent paper published in Behavioural Processes, scientists reveal a film of a mandrill monkey creating a tool from a stick in order to remove dirt from underneath its toenails. This new finding shows that monkeys may be more intelligent than scientists have previously believed.
http://www.physorg.com/news/2011-07-mandrill-monkey-tool-pedicure-video.html
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