1. Female philopatry and its social benefits among Bornean orangutans

   • Maria A. van Noordwijk
   • Natasha Arora
   • Carel P. van Schaik

   Original Paper 01 March 2012 Pages: 823 - 834

   

2. Leading from the front? Social networks in navigating groups

   • Nikolai W. F. Bode
   • Daniel W. Franks
   • A. Jamie Wood

   Original Paper 22 February 2012 Pages: 835 - 843

   

3. Cooperative web sharing against predators promotes group living in spider mites

   • Shuichi Yano

   Original Paper 18 February 2012 Pages: 845 - 853

   

4. Adoption and cuckoldry lead to alloparental care in the tessellated darter (Etheostoma olmstedi), a non-group-living species with no evidence of nest site limitation

   • Kelly A. Stiver
   • Stephen H. Wolff
   • Suzanne H. Alonzo

   Original Paper 24 February 2012 Pages: 855 - 864

   

5. Behavioral responses of territorial red squirrels to natural and experimental variation in population density

   • Ben Dantzer
   • Stan Boutin
   • Andrew G. McAdam

   Original Paper 06 March 2012 Pages: 865 - 878

   

6. Vortex formation and foraging in polyphenic spadefoot toad tadpoles

   • Sepideh Bazazi
   • Karin S. Pfennig
   • Iain D. Couzin

   Original Paper 06 March 2012 Pages: 879 - 889

   

7. Do female zebrafish withhold reproductive resources for future mating opportunities?

   • Joseph B. T. Vaughan
   • Michael D. F. Thom

   Original Paper 08 March 2012 Pages: 891 - 896

   

8. Racial mixing in South African honeybees: the effects of genotype mixing on reproductive traits of workers

   • Madeleine Beekman
   • Michael H. Allsopp
   • Benjamin P. Oldroyd

   Original Paper 15 March 2012 Pages: 897 - 904

   

9. "Cryptic" direct benefits of mate choice: choosy females experience reduced predation risk while in precopula

   • Rickey D. Cothran
   • Kristopher Chapman
   • Rick A. Relyea

   Original Paper 27 March 2012 Pages: 905 - 913

   

10. Tracking migration routes and the annual cycle of a trans-Sahara songbird migrant

    • Heiko Schmaljohann
    • Martin Buchmann
    • Franz Bairlein

    Original Paper 13 March 2012 Pages: 915 - 922

    

11. Individual-level patterns of division of labor in honeybees highlight flexibility in colony-level developmental mechanisms

    • Brian R. Johnson
    • Elizabeth Frost

    Original Paper 13 March 2012 Pages: 923 - 930

    

12. Look before you leap - individual variation in social vigilance shapes socio-spatial group properties in an agent-based model

    • Ellen Evers
    • Han de Vries
    • Elisabeth H. M. Sterck

    Original Paper Open access 14 March 2012 Pages: 931 - 945

    

13. Evolution of self-organized division of labor in a response threshold model

    • Ana Duarte
    • Ido Pen
    • Franz J. Weissing

    Original Paper Open access 22 March 2012 Pages: 947 - 957

    

14. The anxious vole: the impact of group and gender on collective behavior under life-threat

    • David Eilam
    • Pazit Zadicario
    • Joel Mort

    Original Paper 10 March 2012 Pages: 959 - 968

    

15. Giant pandas attend to androgen-related variation in male bleats

    • Benjamin D. Charlton
    • Ronald R. Swaisgood
    • Rebecca J. Snyder

    Original Paper 13 March 2012 Pages: 969 - 974

    

16. Singing activity stimulates partner reproductive investment rather than increasing paternity success in zebra finches

    • Elisabeth Bolund
    • Holger Schielzeth
    • Wolfgang Forstmeier

    Original Paper 14 March 2012 Pages: 975 - 984

    

17. A case for quantile regression in behavioral ecology: getting more out of flight initiation distance data

    • Simon Chamaillé-Jammes
    • Daniel T. Blumstein

    Methods 18 April 2012 Pages: 985 - 992

    

18. Erratum to: How habitat affects the benefits of communication in collectively foraging honey bees

    • Matina C. Donaldson-Matasci
    • Anna Dornhaus

    Erratum 21 April 2012 Pages: 993 - 993