Retention of offspring in a wild population ofungulates Dane, B. 1
Calling communication in meadowkatydids (Orthoptera, Tettigoniidae): female preferences forspecies-specific wingstroke rates Guerra, P.A.& Morris, G.K. 23
The function of triumphceremonies in the black swan Kraaijeveld, K.& Mulder, R.A. 45
Malecanaries discriminate among songs: call rate is a reliablemeasure Parisot, M.,Vallet, E.,Nagle, L.& Kreutzer, M. 55
Playbacks of loud calls to wild Thomas langurs (Primates;Presbytis thomasi): the effect of location Wich, S.A.,Assink, P.R.,Becher, F.& Sterck, E.H.M. 65
Playbacks of loud calls to wild Thomas langurs (Primates;Presbytis thomasi): the effect of familiarity Wich, S.A.,Assink, P.R.,Becher, F.& Sterck, E.H.M. 79
Why mated dusky warblers singso much: territory guarding and male qualityannouncement Forstmeier, W.& Balsby, T.J.S. 89
The vocal behaviour of maleEuropean treefrogs (Hyla arborea): implications for inter- andintrasexual selection Friedl, T.W.P.& Klump, G.M. 113
The ontogeny of manual skill in wildchimpanzees: evidence from feeding on the fruit of Sabaflorida Corp, N.& Byrne, R.W. 137
