Maternal androgens increase sibling aggression, dominance and competitive ability, but not begging displays in the siblicidal black-legged kittiwake (Rissa tridactyla)
Muller, M., Roelofs, Y., Erikstad, K.E., Groothius, T.G.G. 2012. Maternal androgens increase sibling aggression, dominance and competitive ability, but not begging displays in the siblicidal black-legged kittiwake (Rissa tridactyla). PlosOne 7(10) DOI: 10.1371/journal.pone.0047763