1. Sperm competition affects sex allocation but not sperm morphology in a flatworm

   • Tim Janicke
   • Lukas Schärer

   Original Paper 16 April 2010 Pages: 1367 - 1375

   

2. Seasonal polyphenism in life history traits: time costs of direct development in a butterfly

   • Helena Larsdotter Mellström
   • Magne Friberg
   • Christer Wiklund

   Original Paper 20 April 2010 Pages: 1377 - 1383

   

3. Variation in male courtship costs in butterflies

   • Nina Wedell

   Original Paper 22 April 2010 Pages: 1385 - 1391

   

4. An adaptive annual rhythm in the sex of first pigeon eggs

   • Cor Dijkstra
   • Bernd Riedstra
   • Ton G. G. Groothuis

   Original Paper Open access 21 April 2010 Pages: 1393 - 1402

   

5. Inbreeding avoidance in a poeciliid fish (Heterandria formosa)

   • Outi Ala-Honkola
   • Laura Tuominen
   • Kai Lindström

   Original Paper 16 April 2010 Pages: 1403 - 1414

   

6. Terpenoids tame aggressors: role of chemicals in stingless bee communal nesting

   • Sara D. Leonhardt
   • Linda-Maria Jung
   • Nico Blüthgen

   Original Paper 20 April 2010 Pages: 1415 - 1423

   

7. Nest desertion is not predicted by cuckoldry in the Eurasian penduline tit

   • René E. van Dijk
   • Lidia A. Mészáros
   • Jan Komdeur

   Original Paper Open access 15 April 2010 Pages: 1425 - 1435

   

8. Female choice of a non-bodily ornament: an experimental study of cichlid sand craters in Cyathopharynx furcifer

   • Franziska C. Schaedelin
   • Michael Taborsky

   Original Paper 06 May 2010 Pages: 1437 - 1447

   

9. Simulation of information propagation in real-life primate networks: longevity, fecundity, fidelity

   • Bernhard Voelkl
   • Ronald Noë

   Original Paper 30 April 2010 Pages: 1449 - 1459

   

10. Bill color, not badge size, indicates testosterone-related information in house sparrows

    • Silke Laucht
    • Bart Kempenaers
    • James Dale

    Original Paper Open access 29 May 2010 Pages: 1461 - 1471

    

11. Sperm quantity and quality effects on fertilization success in a highly promiscuous passerine, the tree swallow Tachycineta bicolor

    • Terje Laskemoen
    • Oddmund Kleven
    • Jan T. Lifjeld

    Original Paper 29 April 2010 Pages: 1473 - 1483

    

12. Risk trading in mating behavior: forgoing anti-predator responses reduces the likelihood of missing terminal mating opportunities

    • Marie Lafaille
    • Gaëlle Bimbard
    • Michael D. Greenfield

    Original Paper 28 April 2010 Pages: 1485 - 1494

    

13. Refuge sharing network predicts ectoparasite load in a lizard

    • Stephan T. Leu
    • Peter M. Kappeler
    • C. Michael Bull

    Original Paper Open access 21 May 2010 Pages: 1495 - 1503

    

14. Good practice in testing for an association in contingency tables

    • Graeme D. Ruxton
    • Markus Neuhäuser

    Methods 13 July 2010 Pages: 1505 - 1513