Behaviour

Growing Independence, Conflict and Learning in Mother-Infant Relations in Free-Ranging Chimpanzees
pp. 1-86(86)
Authors: VAN DE RIJT-PLOOIJ, Hedwig H.C.; Plooij, Frans X.

Recording Behaviour Using a Portable Microcomputer
pp. 87-99(13)
Authors: Unwin, D.M.; Martin, Paul

Copulation Behaviour of Birds
pp. 101-138(38)
Authors: Birkhead, T.R.; Atkin, L.; Møller, A.P.

Extra-Pair Copulations and Mate Guarding in the Polyterritorial Pied Flycatcher, Ficedula Hypoleuca
pp. 139-154(16)
Authors: Alatalo, Rauno V.; Gottlander, Karin; Lundberg, Arne

Tactile Communication Between Ewe and Lamb and the Onset of Suckling
pp. 156-176(21)
Author: Vince, Margaret A.

The Effects of Parent and Offspring Gender On Food Allocation in Budgerigars
pp. 177-199(23)
Authors: Stamps, Judy; Clark, Anne; Kus, Barbara; Arrowood, Pat

Vocal Communication in a Neotropical Treefrog, Hyla Ebraccata: Responses of Females To Advertisement and Aggressive Calls
pp. 200-210(11)
Authors: Wells, Kentwood D.; Bard, Kathleen M.

Variation in Mate Guarding Intensity By Male Purple Martins
pp. 211-224(14)
Author: Morton, Eugene S.

Foraging Efficiencies and Techniques of Juvenile and Adult Northern Mockingbirds (Mimus Polyglottos)
pp. 225-235(11)
Authors: Breitwisch, Randall; Diaz, Marilyn; Lee, Ronald

Selection for Larval Vagility in Drosophila Melanogaster
pp. 236-242(7)
Authors: Levine, Louis; Katz, Mary; Rockwell, Robert F.

Courtship of Drosophila Melanogaster in Large Observation Chambers: the Influence of Female Reproductive State
pp. 243-252(10)
Authors: Ewing, L.S.; Ewing, A.W.