1. The evolution of female copulation calls in primates: a review and a new model

   • Gauri R. Pradhan
   • Antje Engelhardt
   • Dario Maestripieri

   Review 11 October 2005 Pages: 333 - 343

   

2. Effects of elevated yolk testosterone levels on survival, growth and immunity of male and female yellow-legged gull chicks

   • Diego Rubolini
   • Maria Romano
   • Nicola Saino

   Original Article 07 October 2005 Pages: 344 - 352

   

3. Social discrimination tuning in ants: template formation and chemical similarity

   • Christine Errard
   • Abraham Hefetz
   • Pierre Jaisson

   Original Article 28 September 2005 Pages: 353 - 363

   

4. Case selection by a limnephilid caddisfly [Potamophylax latipennis (Curtis)] in response to different predators

   • Luz Boyero
   • Pedro A. Rincón
   • Jaime Bosch

   Original Article 29 September 2005 Pages: 364 - 372

   

5. Differences in sensory ecology contribute to resource partitioning in the bats Myotis bechsteinii and Myotis nattereri (Chiroptera: Vespertilionidae)

   • Björn M. Siemers
   • Susan M. Swift

   Original Article 27 September 2005 Pages: 373 - 380

   

6. Extrinsic and intrinsic determinants of winter foraging and breeding phenology in a temperate seabird

   • F. Daunt
   • V. Afanasyev
   • S. Wanless

   Original Article 29 September 2005 Pages: 381 - 388

   

7. Sperm traits of the quacking frog, Crinia georgiana: intra- and interpopulation variation in a species with a high risk of sperm competition

   • Attila Hettyey
   • J. Dale Roberts

   Original Article 01 October 2005 Pages: 389 - 396

   

8. Loft features influence the processing of navigational information by pigeons

   • Paulo Jorge
   • Luis Vicente

   Original Article 11 October 2005 Pages: 397 - 402

   

9. Contest behaviour in the speckled wood butterfly (Pararge aegeria): seasonal phenotypic plasticity and the functional significance of flight performance

   • Darrell J. Kemp
   • C. Wiklund
   • H. Van Dyck

   Original Article 11 October 2005 Pages: 403 - 411

   

10. Male tail streamer length predicts fertilization success in the North American barn swallow (Hirundo rustica erythrogaster)

    • Oddmund Kleven
    • Frode Jacobsen
    • Jan T. Lifjeld

    Original Article 12 October 2005 Pages: 412 - 418

    

11. Effects of different levels of song overlapping on singing behaviour in male territorial nightingales (Luscinia megarhynchos)

    • Marc Naguib
    • Silke Kipper

    Original Article 01 October 2005 Pages: 419 - 426

    

12. Modeling and analysis of nest-site selection by honeybee swarms: the speed and accuracy trade-off

    • Kevin M. Passino
    • Thomas D. Seeley

    Original Article 11 October 2005 Pages: 427 - 442

    

13. Do echolocation calls of wild colony-living Bechstein's bats (Myotis bechsteinii) provide individual-specific signatures?

    • Björn M. Siemers
    • Gerald Kerth

    Original Article 11 October 2005 Pages: 443 - 454

    

14. Crypsis versus intimidation—anti-predation defence in three closely related butterflies

    • Adrian Vallin
    • Sven Jakobsson
    • Christer Wiklund

    Original Article 27 September 2005 Pages: 455 - 459

    

15. Experience-dependent choices ensure species-specific fragrance accumulation in male orchid bees

    • Thomas Eltz
    • David W. Roubik
    • Klaus Lunau

    Publisher’s Erratum 21 December 2005 Pages: 460 - 460