Femalechoice and male courtship behaviour in the beaugregorydamselfish Haley, M.P., Smith, J.K. & Itzkowitz, M. 391
Two solitudes: the behaviour of pigeons in competitivefeeding Plowright, C.M.S., Church, D., Sogbein, O., Potvin, A. &Gagnon, L. 407
Socialplay in Arabian babblers Pozis-Francois, O., Zahavi, A. & Zahavi, A. 425
Opposite changes in plasma testosterone and corticosterone levelsfollowing a simulated territorial challenge in male greattits Van Duyse, E., Pinxten, R., Darras, V.M., Arckens, L. & Eens,M. 451
Symmetrypreference as a cognitive by-product in starlings Swaddle, J.P., Che, J.P.K. & Clelland, R.E. 469
Plume variation,breeding performance and extra-pair copulations in the cattleegret Krebs, E.A., Hunte, W. & Green, D.J. 479
The frequency and timing ofcourtship and copulation in blackbirds, Turdus merula, reflectsperm competition and sexual conflict Wysocki, D. & Halupka, K. 501
