Operational sex ratio and alternative reproductive behaviours in the European bitterling, Rhodeus sericeus Suzanne C. MillsJohn D. Reynolds Original Article 07 May 2003 Pages: 98 - 104
When to pay the cost of reproduction? A brood size manipulation experiment in great tits (Parus major) Peeter Hõrak Original Article 11 April 2003 Pages: 105 - 112
Are all signals the same? Ontogenetic change in the response to conspecific and heterospecific chemical alarm signals by juvenile green sunfish (Lepomis cyanellus) Justin L. GolubGrant E. Brown Original Article 14 May 2003 Pages: 113 - 118
Female sticklebacks Gasterosteus aculeatus use self-reference to optimize MHC allele number during mate selection P. B. AeschlimannM. A. HäberliM. Milinski Original Article 25 April 2003 Pages: 119 - 126
Pair formation, pre-spawning waiting, and protandry in kokanee, Oncorhynchus nerka Yolanda E. Morbey Original Article 23 April 2003 Pages: 127 - 135
Influences of sex, sex composition of brood and hatching order on mass growth in common terns Sterna hirundo Peter H. BeckerMichael Wink Original Article 15 April 2003 Pages: 136 - 146
Patch leaving decision rules in parasitoids: do they use sequential decisional sampling? Jean-Sébastien PierreJoan van BaarenGuy Boivin Original Article 29 April 2003 Pages: 147 - 155
Female preference for symmetry in computer-animated three-spined sticklebacks, Gasterosteus aculeatus Dominique MazziReto KünzlerTheo C. M. Bakker Original Article 18 April 2003 Pages: 156 - 161
Chemosensory cues allow courting male garter snakes to assess body length and body condition of potential mates R. ShineB. PhillipsR. T. Mason Original Article 14 May 2003 Pages: 162 - 166
Bite rates in Rocky Mountain bighorn sheep (Ovis canadensis): effects of season, age, sex and reproductive status K. E. RuckstuhlM. Festa-BianchetJ. T. Jorgenson Original Article 25 April 2003 Pages: 167 - 173
Scent of a nest: discrimination of own-nest odours in Antarctic prions, Pachyptila desolata Francesco BonadonnaFlorence HestersPierre Jouventin Original Article 17 April 2003 Pages: 174 - 178
Shifted balance of risk and cost after autotomy affects use of cover, escape, activity, and foraging in the keeled earless lizard (Holbrookia propinqua) William E. Cooper Jr. Original Article 09 May 2003 Pages: 179 - 187
The role of posturing and calling in the begging display of nestling birds Marty L. LeonardAndrew G. HornEmily Parks Original Article 14 May 2003 Pages: 188 - 193
Searching behavior and use of sampling information by free-ranging bison (Bos bison) Daniel Fortin Original Article 27 March 2003 Pages: 194 - 203