Behavioral and life-history evidence for interspecific competition in the larvae of two heliconian butterflies Carolina MillanSimone Silva BorgesGilson Rudinei Pires Moreira Original Paper 16 August 2013 Pages: 901 - 911
Altruism during predation in an assassin bug Alain DejeanMessika RevelOlivier Roux Original Paper 15 August 2013 Pages: 913 - 922
Differential distribution of sperm subpopulations and incidence of pleiomorphisms in ejaculates of captive howling monkeys (Alouatta caraya) R. R. ValleF. M. CarvalhoM. García-Herreros Original Paper 24 August 2013 Pages: 923 - 933
Hunting behaviour and breeding performance of northern goshawks Accipiter gentilis, in relation to resource availability, sex, age and morphology Vincenzo PenterianiChristian RutzRobert Kenward Original Paper 31 August 2013 Pages: 935 - 942
Stable isotopes document resource partitioning and effects of forest disturbance on sympatric cheirogaleid lemurs B. E. CrowleyM. B. BlancoM. T. Irwin Original Paper 14 September 2013 Pages: 943 - 956
Foraging ants trade off further for faster: use of natural bridges and trunk trail permanency in carpenter ants Raquel G. LoretoAdam G. HartSimon L. Elliot Original Paper 11 September 2013 Pages: 957 - 963
Individual consistency in exploratory behaviour and mating tactics in male guppies Jennifer L. KelleySamuel C. PhillipsJonathan P. Evans Original Paper 14 September 2013 Pages: 965 - 974
Torpor in the Patagonian opossum (Lestodelphys halli): implications for the evolution of daily torpor and hibernation Fritz GeiserGabriel M. Martin Original Paper 18 September 2013 Pages: 975 - 981
Integrated plumage colour variation in relation to body condition, reproductive investment and laying date in the collared flycatcher Miklós LacziGergely HegyiJános Török Original Paper 21 September 2013 Pages: 983 - 991
Colorful displays signal male quality in a tropical anole lizard Ellee G. CookTroy G. MurphyMichele A. Johnson Short Communication 01 September 2013 Pages: 993 - 996