Li, Shou-Hsien - In: Behavioral Ecology 13 (2002) 1, pp. 87-93
Cost/benefit analyses have been used to understand the evolution of mating by females with multiple males, as in extrapair copulations (EPCs), which are now known to occur commonly in socially monogamous and polygynous birds. Indirect (genetic) benefits have been invoked to explain such mating...