A mother rhesus macaque out foraging with her baby ends up having to cope with howls of infant protest. The sound can drive bystanders to violence, but in this instance its mom who gets aggressive.

Credit: Stuart Semple

Found in "Public_tantrums_defeat_monkey_moms_too" at sciencenews.org/view/news/id/41565/title/Public_tantrums_defeat_monkey_moms_too

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