London, Apr 13 (ANI): Like humans, chimps too can recognise unfairness, even when individuals other than themselves are in the picture, say scientists.
To reach the conclusion, Sarah Brosnan, a primate behaviourist at Georgia State University in Atlanta, and her colleagues trained captive chimps to exchange tokens for a food reward.
They then tested how same-sex pairs of chimps reacted to various levels of reward, reports New Scientist.
Expectedly, chimps were more likely to reject a boring carrot when their partner got a yummy grape for the same token.
The chimps were also more likely to reject a grape if their partner only got a carrot, scientists pointed out.
The study has been published in Animal Behaviour. (ANI)
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