Plasticity in adult development: experience with young males enhances mating competence inadult male cowbirds, Molothrus ater White, D.J., King, A.P. & West, M.J. 713
Despotic societies, sexual attraction and theemergence of male `tolerance': an agent-based model Hemelrijk, C.K. 729
Behavioural andcognitive influences of kairomones on an araneophagic jumping spider Jackson, R.R., Clark, R.J. & Harland, D.P. 749
Extrapair paternity in the redbishop (Euplectes orix): is there evidence for the good-geneshypothesis? Friedl, T.W.P. & Klump, G.M. 777
Testosteronevesus psychological castration in the expression of dominance,territoriality and breeding behavior by male village weavers(Ploceus cucullatus) Collias, N.E., Barfield, R.J. & Tarvyd, E.S. 801
Is use of a novel food source by young canaries (Serinus canarius) influenced by the sex andfamiliarity of the adult demonstrator? Cadieu, N. & Cadieu, J.-C. 825
Do Kentish plovers regulate the amount of their nest material? An experimental test Szentirmai, I. & Székeli, T. 847