Might male-male copulation inspecies as diverse as flour beetles and dolphins have similar , evenpredictable , evolutionary consequences ?
也许在各类物种当中，与面粉甲虫和海豚一样存在着多样性，雄性间交配也有类似的甚至可以预测的结果？
Many male animals , including short-nosed fruit bats , lick their genitals after copulation , and in some species this has been shown to reduce the incidence of such diseases .
