In a population in which all males and females divorce their partners, the best strategy for an individual bird is also divorce, because every bird has a high chance of remating.

• 如果在一个群体中，雌雄方都要与它们的伴侣离婚，那么每一只鸟的最好选择就是离婚，因为每只鸟都有很大机会再找一个配偶。