Female Birds - Acting Just Like the Guys - Become Sexual Show Offs in Cooperative Breeding Species
Wednesday, December 9, 2009 - 13:29
in Biology & Nature
Female birds in species that breed in groups can find themselves under pressure to sexually show off and evolve the same kinds of embellishments - like fanciful tail feathers or chest-puffing courtship dances - as males, according to new research in the latest issue of Nature (Dec. 10, 2009).