More tolerant primates have a greater need to communicate vocally, new study shows

Primates who are more tolerant of each other use vocal communication more than their stricter counterparts, research from the University of York shows. The study looked at how dominant primates behave towards those of lower status, with some demanding deference and punishing challenges from subordinates harshly (despotic), whilst others are more relaxed (tolerant). Japanese macaques are an example of a despotic species in this study, while black howler monkeys are an example of a tolerant species. Researchers say this characteristic called “dominance style” is an important factor in understanding the…

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