1. The role of sexual imprinting and the Westermarck effect in mate choice in humans

   • Markus J. Rantala
   • Urszula M. Marcinkowska

   Review 18 January 2011 Pages: 859 - 873

2. Behavioural interference between ungulate species: roe are not on velvet with fallow deer

   • Francesco Ferretti
   • Andrea Sforzi
   • Sandro Lovari

   Original Paper 20 November 2010 Pages: 875 - 887

   

3. Mating strategies of queens in Lasius niger ants—is environment type important?

   • Margaret Corley
   • Else J. Fjerdingstad

   Original Paper 20 November 2010 Pages: 889 - 897

   

4. Inbreeding and caste-specific variation in immune defence in the ant Formica exsecta

   • Emma Vitikainen
   • Liselotte Sundström

   Original Paper 05 November 2010 Pages: 899 - 907

   

5. Temperature, age of mating and starvation determine the role of maternal effects on sex allocation in the mealybug Planococcus citri

   • Laura Ross
   • Elizabeth J. Dealey
   • David M. Shuker

   Original Paper Open access 10 November 2010 Pages: 909 - 919

   

6. Sexual coercion by male chimpanzees shows that female choice may be more apparent than real

   • Martin N. Muller
   • Melissa Emery Thompson
   • Richard W. Wrangham

   Original Paper 04 November 2010 Pages: 921 - 933

   

7. Nestmate recognition in social insects: overcoming physiological constraints with collective decision making

   • Brian R. Johnson
   • Ellen van Wilgenburg
   • Neil D. Tsutsui

   Original Paper Open access 19 November 2010 Pages: 935 - 944

   

8. Moving home: nest-site selection in the Red Dwarf honeybee (Apis florea)

   • James C. Makinson
   • Benjamin P. Oldroyd
   • Madeleine Beekman

   Original Paper 09 November 2010 Pages: 945 - 958

   

9. The function of polydomy: the ant Crematogaster torosa preferentially forms new nests near food sources and fortifies outstations

   • Michele C. Lanan
   • Anna Dornhaus
   • Judith L. Bronstein

   Original Paper 12 November 2010 Pages: 959 - 968

   

10. Leaf-cutter ants with worn mandibles cut half as fast, spend twice the energy, and tend to carry instead of cut

    • Robert M. S. Schofield
    • Kristen D. Emmett
    • Michael H. Nesson

    Original Paper 04 December 2010 Pages: 969 - 982

    

11. Digit ratios have poor indicator value in a wild bird population

    • Suvi Ruuskanen
    • Samuli Helle
    • Toni Laaksonen

    Original Paper Open access 12 November 2010 Pages: 983 - 994

    

12. Alternative mating tactics in dimorphic males of the harvestman Longiperna concolor (Arachnida: Opiliones)

    • Camila Zatz
    • Rachel M. Werneck
    • Glauco Machado

    Original Paper 16 November 2010 Pages: 995 - 1005

    

13. Allocation of nuptial gifts in tree crickets changes with both male and female diet

    • William D. Brown

    Original Paper 18 November 2010 Pages: 1007 - 1014

    

14. Floral scent variation in two Antirrhinum majus subspecies influences the choice of naïve bumblebees

    • Claire Suchet
    • Laurent Dormont
    • Jérôme Chave

    Original Paper 26 November 2010 Pages: 1015 - 1027

    

15. Robin’s egg blue: does egg color influence male parental care?

    • Philina A. English
    • Robert Montgomerie

    Original Paper 18 November 2010 Pages: 1029 - 1036

    

16. Intracolonial genetic diversity in honeybee (Apis mellifera) colonies increases pollen foraging efficiency

    • Bruce J. Eckholm
    • Kirk E. Anderson
    • Gloria DeGrandi-Hoffman

    Original Paper 18 November 2010 Pages: 1037 - 1044

    

17. Post-ejection nest-desertion of common cuckoo hosts: a second defense mechanism or avoiding reduced reproductive success?

    • Csaba Moskát
    • Erik C. Rosendaal
    • Jan Komdeur

    Original Paper 24 November 2010 Pages: 1045 - 1053

    

18. Within-group behavioral variation promotes biased task performance and the emergence of a defensive caste in a social spider

    • Jonathan N. Pruitt
    • Susan E. Riechert

    Original Paper Open access 23 November 2010 Pages: 1055 - 1060

    

19. Highly dynamic fission–fusion species can exhibit leadership when traveling

    • Jennifer S. Lewis
    • Douglas Wartzok
    • Michael R. Heithaus

    Original Paper 23 November 2010 Pages: 1061 - 1069

    

20. Local mate competition in the solitary parasitoid wasp Ooencyrtus kuvanae

    • Ummat Somjee
    • Kelly Ablard
    • Gerhard Gries

    Original Paper 23 November 2010 Pages: 1071 - 1077

    

21. Parental investment without kin recognition: simple conditional rules for parent–offspring behavior

    • C. Athena Aktipis
    • Eduardo Fernandez-Duque

    Original Paper 22 December 2010 Pages: 1079 - 1091

    

22. Sequential polyandry by brood desertion increases female fitness in a bird with obligatory bi-parental care

    • Erkki Korpimäki
    • Pälvi Salo
    • Jari Valkama

    Original Paper 26 November 2010 Pages: 1093 - 1102

    

23. Song length variation serves multiple functions in the white-crowned sparrow

    • Douglas A. Nelson
    • Angelika Poesel

    Original Paper 01 December 2010 Pages: 1103 - 1111

    

24. Guppies as heterospecific facilitators: a precursor of exploratory behavior?

    • Douglas F. Fraser
    • Christopher J. Brousseau
    • Summer A. Morse-Goetz

    Original Paper 11 February 2011 Pages: 1113 - 1122

    

25. Behavioral and physiological factors associated with juvenile hormone in Polistes wasp foundresses

    • Elizabeth A. Tibbetts
    • Amanda Izzo
    • Zachary Y. Huang

    Original Paper 16 December 2010 Pages: 1123 - 1131

    

26. Condition dependence of male display coloration in a jumping spider (Habronattus pyrrithrix)

    • Lisa A. Taylor
    • David L. Clark
    • Kevin J. McGraw

    Original Paper 22 December 2010 Pages: 1133 - 1146

    

27. Novel methods for discriminating behavioral differences between stickleback individuals and populations in a laboratory shoaling assay

    • Abigail R. Wark
    • Barry J. Wark
    • Catherine L. Peichel

    Methods 29 December 2010 Pages: 1147 - 1157