1. Behavioral and life-history evidence for interspecific competition in the larvae of two heliconian butterflies

   • Carolina Millan
   • Simone Silva Borges
   • Gilson Rudinei Pires Moreira

   Original Paper 16 August 2013 Pages: 901 - 911

   

2. Altruism during predation in an assassin bug

   • Alain Dejean
   • Messika Revel
   • Olivier Roux

   Original Paper 15 August 2013 Pages: 913 - 922

   

3. Differential distribution of sperm subpopulations and incidence of pleiomorphisms in ejaculates of captive howling monkeys (Alouatta caraya)

   • R. R. Valle
   • F. M. Carvalho
   • M. García-Herreros

   Original Paper 24 August 2013 Pages: 923 - 933

   

4. Hunting behaviour and breeding performance of northern goshawks Accipiter gentilis, in relation to resource availability, sex, age and morphology

   • Vincenzo Penteriani
   • Christian Rutz
   • Robert Kenward

   Original Paper 31 August 2013 Pages: 935 - 942

   

5. Stable isotopes document resource partitioning and effects of forest disturbance on sympatric cheirogaleid lemurs

   • B. E. Crowley
   • M. B. Blanco
   • M. T. Irwin

   Original Paper 14 September 2013 Pages: 943 - 956

   

6. Foraging ants trade off further for faster: use of natural bridges and trunk trail permanency in carpenter ants

   • Raquel G. Loreto
   • Adam G. Hart
   • Simon L. Elliot

   Original Paper 11 September 2013 Pages: 957 - 963

   

7. Individual consistency in exploratory behaviour and mating tactics in male guppies

   • Jennifer L. Kelley
   • Samuel C. Phillips
   • Jonathan P. Evans

   Original Paper 14 September 2013 Pages: 965 - 974

   

8. Torpor in the Patagonian opossum (Lestodelphys halli): implications for the evolution of daily torpor and hibernation

   • Fritz Geiser
   • Gabriel M. Martin

   Original Paper 18 September 2013 Pages: 975 - 981

   

9. Integrated plumage colour variation in relation to body condition, reproductive investment and laying date in the collared flycatcher

   • Miklós Laczi
   • Gergely Hegyi
   • János Török

   Original Paper 21 September 2013 Pages: 983 - 991

   

10. Colorful displays signal male quality in a tropical anole lizard

    • Ellee G. Cook
    • Troy G. Murphy
    • Michele A. Johnson

    Short Communication 01 September 2013 Pages: 993 - 996