Monkeys get upset with unequal pay

Capuchin monkeys were used in this study.
Here is an interesting video that demonstrates so well that animals have a sense of fairness. Two scientists have published a paper describing their research with Capuchin monkeys and how they get upset after witnessing another monkey receiving a tastier treat for the same work that they do.

Watch the video, it's highly amusing.







source: http://www.sciencedaily.com/releases/2014/09/140918141151.htm



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