A newly hatched American coot chick shows off its colorful ornamental plumes, beak, and naked head. The bright colors of coot chicks help their parents choose favorites, according to a new study. The ...

This is a preview. Log in through your library . Abstract The hypothesis that sexual selection promotes speciation has rarely been tested. We identified 70 evolutionarily independent events of feather ...

The American coot is a somewhat drab water bird with gray and black feathers and a white beak, common in wetlands throughout North America. Coot chicks, however, sport outrageously bright orange and ...