The evolution of female copulation calls in primates: a review and a new model Gauri R. PradhanAntje EngelhardtDario Maestripieri Review 11 October 2005 Pages: 333 - 343
Effects of elevated yolk testosterone levels on survival, growth and immunity of male and female yellow-legged gull chicks Diego RuboliniMaria RomanoNicola Saino Original Article 07 October 2005 Pages: 344 - 352
Social discrimination tuning in ants: template formation and chemical similarity Christine ErrardAbraham HefetzPierre Jaisson Original Article 28 September 2005 Pages: 353 - 363
Case selection by a limnephilid caddisfly [Potamophylax latipennis (Curtis)] in response to different predators Luz BoyeroPedro A. RincónJaime Bosch Original Article 29 September 2005 Pages: 364 - 372
Differences in sensory ecology contribute to resource partitioning in the bats Myotis bechsteinii and Myotis nattereri (Chiroptera: Vespertilionidae) Björn M. SiemersSusan M. Swift Original Article 27 September 2005 Pages: 373 - 380
Extrinsic and intrinsic determinants of winter foraging and breeding phenology in a temperate seabird F. DauntV. AfanasyevS. Wanless Original Article 29 September 2005 Pages: 381 - 388
Sperm traits of the quacking frog, Crinia georgiana: intra- and interpopulation variation in a species with a high risk of sperm competition Attila HettyeyJ. Dale Roberts Original Article 01 October 2005 Pages: 389 - 396
Loft features influence the processing of navigational information by pigeons Paulo JorgeLuis Vicente Original Article 11 October 2005 Pages: 397 - 402
Contest behaviour in the speckled wood butterfly (Pararge aegeria): seasonal phenotypic plasticity and the functional significance of flight performance Darrell J. KempC. WiklundH. Van Dyck Original Article 11 October 2005 Pages: 403 - 411
Male tail streamer length predicts fertilization success in the North American barn swallow (Hirundo rustica erythrogaster) Oddmund KlevenFrode JacobsenJan T. Lifjeld Original Article 12 October 2005 Pages: 412 - 418
Effects of different levels of song overlapping on singing behaviour in male territorial nightingales (Luscinia megarhynchos) Marc NaguibSilke Kipper Original Article 01 October 2005 Pages: 419 - 426
Modeling and analysis of nest-site selection by honeybee swarms: the speed and accuracy trade-off Kevin M. PassinoThomas D. Seeley Original Article 11 October 2005 Pages: 427 - 442
Do echolocation calls of wild colony-living Bechstein's bats (Myotis bechsteinii) provide individual-specific signatures? Björn M. SiemersGerald Kerth Original Article 11 October 2005 Pages: 443 - 454
Crypsis versus intimidation—anti-predation defence in three closely related butterflies Adrian VallinSven JakobssonChrister Wiklund Original Article 27 September 2005 Pages: 455 - 459
Experience-dependent choices ensure species-specific fragrance accumulation in male orchid bees Thomas EltzDavid W. RoubikKlaus Lunau Publisher’s Erratum 21 December 2005 Pages: 460 - 460