1. Socially acquired predator recognition in complex ecosystems

   • R. P. Manassa
   • M. I. McCormick
   • D. P. Chivers

   Original Paper 05 April 2013 Pages: 1033 - 1040

   

2. Melanin-based colour polymorphism signals aggressive personality in nest and territory defence in the tawny owl (Strix aluco)

   • Arnaud Da Silva
   • Valentijn van den Brink
   • Alexandre Roulin

   Original Paper 05 April 2013 Pages: 1041 - 1052

   

3. Food abundance affects energy intake and reproduction in frugivorous female Assamese macaques

   • Marlies Heesen
   • Sebastian Rogahn
   • Oliver Schülke

   Original Paper 05 April 2013 Pages: 1053 - 1066

   

4. The combined effects of seed perishability and seed size on hoarding decisions by Pére David’s rock squirrels

   • Zhishu Xiao
   • Xu Gao
   • Zhibin Zhang

   Original Paper 05 April 2013 Pages: 1067 - 1075

   

5. Manipulating the perceived opportunity to cheat: an experimental test of the active roles of male and female zebra finches in mate guarding behavior

   • Leah C. Wilson
   • John P. Swaddle

   Original Paper 07 April 2013 Pages: 1077 - 1087

   

6. Variable flight initiation distance in incubating Eurasian curlew

   • Adriaan de Jong
   • Carin Magnhagen
   • Carl-Gustaf Thulin

   Original Paper 05 April 2013 Pages: 1089 - 1096

   

7. Female gregariousness in Western Chimpanzees (Pan troglodytes verus) is influenced by resource aggregation and the number of females in estrus

   • Livia Wittiger
   • Christophe Boesch

   Original Paper 05 May 2013 Pages: 1097 - 1111

   

8. Ontogenetic switch between alternative antipredatory strategies in the leopard gecko (Eublepharis macularius): defensive threat versus escape

   • Eva Landová
   • Jitka Jančúchová-Lásková
   • Daniel Frynta

   Original Paper 18 April 2013 Pages: 1113 - 1122

   

9. Ontogenetic differences in chemical alarm cue production determine antipredator responses and learned predator recognition

   • Matthew D. Mitchell
   • Mark I. McCormick

   Original Paper 17 April 2013 Pages: 1123 - 1129

   

10. Mate with the young, kill the old: reversed sexual cannibalism and male mate choice in the spider Micaria sociabilis (Araneae: Gnaphosidae)

    • Lenka Sentenská
    • Stano Pekár

    OriginalPaper 05 May 2013 Pages: 1131 - 1139

    

11. Social learning drives handedness in nectar-robbing bumblebees

    • D. Goulson
    • K. J. Park
    • M. Vallejo-Marin

    Original Paper 19 April 2013 Pages: 1141 - 1150

    

12. Causes and consequences of contest outcome: aggressiveness, dominance and growth in the sheepshead swordtail, Xiphophorus birchmanni

    • Alastair J Wilson
    • Andrew Grimmer
    • Gil G. Rosenthal

    Original Paper 23 April 2013 Pages: 1151 - 1161

    

13. Weapons or mating signals? Claw shape and mate choice in a fiddler crab

    • Sophia Callander
    • Andrew T. Kahn
    • Patricia R. Y. Backwell

    Original Paper 26 April 2013 Pages: 1163 - 1167

    

14. Honeybee foragers adjust crop contents before leaving the hive

    • Ken-ichi Harano
    • Akiko Mitsuhata-Asai
    • Masami Sasaki

    Original Paper 08 May 2013 Pages: 1169 - 1178

    

15. Sex-specific conditional mating preferences in a cichlid fish: implications for sexual conflict

    • Sebastian A. Baldauf
    • Leif Engqvist
    • Timo Thünken

    Original Paper 28 April 2013 Pages: 1179 - 1186

    

16. Predator detection and dilution as benefits of associations between yellow mongooses and Cape ground squirrels

    • Sarah A. Makenbach
    • Jane M. Waterman
    • James D. Roth

    Original Paper 27 April 2013 Pages: 1187 - 1194

    

17. Social laterality in wild beluga whale infants: comparisons between locations, escort conditions, and ages

    • Karina Karenina
    • Andrey Giljov
    • Yegor Malashichev

    Original Paper 27 April 2013 Pages: 1195 - 1204