Marmosets eavesdrop on their neighbors—and judge them accordingly
Marmosets eavesdrop on their neighbors—and judge them accordingly Feb. 3, 2021 , 2:00 PM Like a nosy neighbor, marmosets eavesdrop on the conversations of others—and judge them based on what they “say,” new research finds. The pint-size primates might be using the behavior to screen strangers, preferring to mingle with those they feel will make the best nannies for their offspring. “This study is really cool because it pinpoints what’s happening inside the animal” when they eavesdrop, says Sonja Koski, an evolutionary anthropologist at the University of Helsinki who was not invo...
Source: sciencemag.org