title: Change in body mass can overrule the effects of maternal testosterone on primary offspring sex ratio of first eggs in homing pigeons.
authors.affiliation: Behavioural Biology, University of Groningen, Kerklaan 30, 9751 NN Haren, The Netherlands. v.goerlich@rug.nl
authors.forename: V C
authors.initials: VC
authors.lastname: Goerlich
authors.forename: C
authors.initials: C
authors.lastname: Dijkstra
authors.forename: J J
authors.initials: JJ
authors.lastname: Boonekamp
authors.forename: T G G
authors.initials: TG
authors.lastname: Groothuis