Innate antipredator responses of Arctic charr (Salvelinus alpinus) depend on predator species and their diet Sampsa VilhunenHeikki Hirvonen Original Article 27 August 2003 Pages: 1 - 10
To breed or not to breed—food competition and other factors involved in female breeding decisions in the pair-living nocturnal fork-marked lemur (Phaner furcifer) Oliver Schülke Original Article 02 September 2003 Pages: 11 - 21
Antipredator responses of California ground squirrels to rattlesnakes and rattling sounds: the roles of sex, reproductive parity, and offspring age in assessment and decision-making rules Ronald R. SwaisgoodMatthew P. RoweDonald H. Owings Original Article 16 September 2003 Pages: 22 - 31
Correlates of horn and antler shape in bovids and cervids T. M. CaroC. M. GrahamM. M. Flores Original Article 29 August 2003 Pages: 32 - 41
Do changes in risk-taking affect habitat shifts of sticklebacks? Ulrika CandolinHeinz-Rudolf Voigt Original Article 17 September 2003 Pages: 42 - 49
Testosterone, dominance signalling and immunosuppression in the house sparrow, Passer domesticus K. L. BuchananM. R. EvansA. R. Goldsmith Original Article 12 September 2003 Pages: 50 - 59
Fitness consequences of sexual cannibalism in female Argiope bruennichi Lutz FromhageGabriele UhlJutta M. Schneider Original Article 04 July 2003 Pages: 60 - 64
A dynamic trait affects continuous pair assessment in the blue-footed booby, Sula nebouxii Roxana TorresAlberto Velando Original Article 09 August 2003 Pages: 65 - 72
Responses of female lizards, Lacerta monticola, to males' chemical cues reflect their mating preference for older males Pilar LópezPedro AragónJosé Martín Original Article 02 September 2003 Pages: 73 - 79
Inter-sexual differences in T-cell-mediated immunity of black-headed gull chicks (Larus ridibundus) depend on the hatching order Wendt MüllerCor DijkstraTon G. G. Groothuis Original Article 09 September 2003 Pages: 80 - 86
Effect of food location and quality on recruitment sounds and success in two stingless bees, Melipona mandacaia and Melipona bicolor James C. NiehFelipe A. L. ContreraVera L. Imperatriz-Fonseca Original Article 16 September 2003 Pages: 87 - 94
Vocalizations and courtship intensity correlate with mounting success in marginated tortoises Testudo marginata Roberto SacchiPaolo GaleottiDonato Ballasina Original Article 09 September 2003 Pages: 95 - 102
Testosterone and helping behavior in the azure-winged magpie (Cyanopica cyanus): natural covariation and an experimental test Carlos de la CruzElena SolísGabriele Sorci Original Article 17 September 2003 Pages: 103 - 111
The effect of food availability on the semilunar courtship rhythm in the fiddler crab Uca lactea (de Haan) (Brachyura: Ocypodidae) Tae Won KimJae C. Choe Erratum 02 September 2003 Pages: 112 - 112
