Snooping marmosets judge antisocial individuals harshly
Washington (AFP) - Like humans, marmosets -- tiny monkeys with Einstein-like ear tufts native to Brazil -- eavesdrop on conversations between others, and prefer to approach individuals they view positively, a study in the journal Science Advances showed Wednesday. While behavioral research has built up knowledge around the social lives of primates, it has tended to lack reliable ways to determine an individual's "inside perspective," or the inner workings of her or his mind. Marmosets are an ideal species to study because of their close-knit social structure: they live in highly cooperative g...