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Social animals (群居动物)

Updated at: 2018-11-30 新题 预测 机经题

We are social animals. So you assume our brains are built to excel when we cooperate with each other, as to when we function in . Now research with another animal supports that notion. Plain-tailed wrens in Ecuador are famous for duets between males and females. While their song is done cooperatively, with the male and female singing alternate syllables, it sounds surprisingly like one bird singing solo.
might opposed isolation