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Lions send their babies to the crèche

作者:谷梁镤只    发布时间:2019-03-06 11:08:09    

AFRICAN lionesses are true egalitarians. Unlike most cooperative animal societies, where a female despot has more babies than her inferiors, mother lions in a pride have equal numbers of young. Craig Packer of the University of Minnesota in St Paul and his colleagues reviewed the births of lion cubs between 1963 and 1999 in the Serengeti National Park in Tanzania. They found that, overall, females in a pride tended to have the same number of offspring—in marked contrast to other cooperative groups, such as birds,

 

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