WWF - Great Apes - Chimpanzees

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I just thought I would throw this into the mix. ... Sometimes email is very short, and words carry meanings through peoples eyes in the reading that was unintended by the writer. So some things said may seem unfair, and even hurtful. In the end, we must decide that the intent of the person initiating the received sleight is either, a friend with a bad choice of words, or just a plain bad human. — Jack

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CNN.com - Study: If it's unfair, chimps will forgive a friend - Jan 27, 2005
Study: If it's unfair, chimps will forgive a friend, But animal doesn't like it if a stranger gets the bigger piece

Chimpanzees' sense of fair play depends on who they're with, a study found.
Emory University
Yerkes National Primate Research Center

LONDON (Reuters) -- Chimpanzees have a sense of fair play but how much they will tolerate depends on who they are dealing with, according to scientists.

They will put up with being short-changed if they are friends or family of the animal getting the better deal, but won't allow any monkey business if it's a stranger.

'We found variation in the response of the chimpanzees that was based on the social group they were in,' said Sarah Brosnan, a researcher at the Yerkes National Primate Research Center of Emory University in Atlanta, Georgia."

(Via CNN.Com - Space.)
(Via The World Wildlife Fund - Chimpanzee.)