Comment on 'Bateman in Nature: Predation on Offspring Reduces the Potential for Sexual Selection'

摘要

Byers and Dunn(Reports,9 November 2012,p.802) reported that sexual selection and natural selection are closely related in a wild population of pronghorns. Here, I argue that this conclusion is incorrect. Their main finding is due to the fact that, unsurprisingly, juvenile mortality and juvenile survival are negatively related across years.