The title of the toughest avenger got the Japanese macaque.
About the equivalent of the hostility of the animal, said scientists from the German Primatology center and Institute of cognitive science.
The researchers conducted 500 hours of observation of 57 monkeys and found that those capable of a vendetta.
It turned out that these cute at first sight the animal with red cheeks was a rule “a tooth for a tooth, an eye for an eye”.
Immediately after the attack on their relatives, they attacked, not the attackers, and his friends or relatives. During the experiment, the researchers recorded 15 cases of aggression.
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