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Gentlemanly cricket (绅士的板球)

Updated at: 2018-12-01 新题 预测 机经题

Previous studies of crickets’ behaviour examined them in a lab setting, where males acted towards other males and mates alike. In the wild, however, males still brawled with rivals. But they formed long-term relationships by protecting, not dominating, their partners. So why guard his gal? A gentlemanly cricket fosters a longer relationship, with more mating and more offspring. So chivalry may not be dead -- but it’s not entirely altruistic either.