Thierry Anne-Mathilde, Brajon Sophie, Massemin Sylvie, Handrich Yves, Chastel Olivier, Raclot Thierry,. (2013). Decreased prolactin levels reduce parental commitment, egg temperatures, and breeding success of incubating male Ad&eacute;lie penguins. Hormones and Behavior, 64(4), 737–747.