1. Factors affecting male and female reproductive success in a chipmunk (Tamias sibiricus) with a scramble competition mating system

   • Julie Marmet
   • Benoît Pisanu
   • Emmanuelle Baudry

   Original Paper 19 August 2012 Pages: 1449 - 1457

   

2. Complex pleiotropy characterizes the pollen hoarding syndrome in honey bees (Apis mellifera L.)

   • Robert E. Page Jr.
   • M. Kim Fondrk
   • Olav Rueppell

   Original Paper 22 August 2012 Pages: 1459 - 1466

   

3. Male transmission ratio distortion supports MHC-linked cryptic female choice in the lesser kestrel (Aves: Falconidae)

   • Miguel Alcaide
   • Airam Rodríguez
   • David Serrano

   Original Paper 24 August 2012 Pages: 1467 - 1473

   

4. Condition-dependent sex allocation by clones of a galling aphid

   • Shin-ichi Akimoto
   • Taiga Murakami

   Original Paper 05 September 2012 Pages: 1475 - 1484

   

5. Sex-specific plasticity in brain morphology depends on social environment of the guppy, Poecilia reticulata

   • Alexander Kotrschal
   • Björn Rogell
   • Niclas Kolm

   Original Paper 13 September 2012 Pages: 1485 - 1492

   

6. Echolocation beam shape in emballonurid bats, Saccopteryx bilineata and Cormura brevirostris

   • Lasse Jakobsen
   • Elisabeth K. V. Kalko
   • Annemarie Surlykke

   Original Paper 07 September 2012 Pages: 1493 - 1502

   

7. Soft song is a reliable signal of aggressive intent in song sparrows

   • Christopher N. Templeton
   • Çağlar Akçay
   • Michael D. Beecher

   Original Paper 05 September 2012 Pages: 1503 - 1509

   

8. Contest behavior and other reproductive efforts in aging breeders: a test of residual reproductive value and state-dependent models

   • Stephen T. Trumbo

   Original Paper 02 September 2012 Pages: 1511 - 1518

   

9. Maternal effects on begging behaviour: an experimental demonstration of the effects of laying sequence, hatch order, nestling sex and brood size

   • Amanda J. Gilby
   • Enrico Sorato
   • Simon C. Griffith

   Original Paper 15 September 2012 Pages: 1519 - 1529

   

10. The recursive model as a new approach to validate and monitor activity sensors

    • Guillaume Body
    • Robert B. Weladji
    • Øystein Holand

    Methods 23 September 2012 Pages: 1531 - 1541

    

11. Defining behavioural syndromes and the role of ‘syndrome deviation’ in understanding their evolution

    • Niels J. Dingemanse
    • Ned A. Dochtermann
    • Shinichi Nakagawa

    Commentary 28 September 2012 Pages: 1543 - 1548