Duckworth, Renée A.; Mendonça, Mary T.; Hill, Geoffrey E. - In: Behavioral Ecology 15 (2004) 5, pp. 779-784
Elaboration of costly sexual traits can reduce investment in other aspects of reproduction, such as parental care or intrasexual competition, which may lead to the evolution of alternative mating tactics. In house finches (Carpodacus mexicanus), less elaborately ornamented (dull) males tend to...