Dietary protein content affects the response of meadow voles, Microtus pennsylvanicus, to over-marks Nicholas J. HobbsMichael H. Ferkin Original Paper 26 January 2011 Pages: 57 - 64
Observations on marking behaviour in a low-density population of European badgers (Meles meles) Alessandro BalestrieriLuigi RemontiClaudio Prigioni Original Paper 25 March 2011 Pages: 65 - 68
Sex ratio, survival, and recapture rate in a Cuban population of the damselfly Hypolestes trinitatis (Odonata: Megapodagrionidae) Yusdiel Torres-CambasRocío Fonseca-Rodríguez Original Paper 01 April 2011 Pages: 69 - 76
Examination of boldness traits in sexual and asexual mollies (Poecilia latipinna, P. formosa) Kristin ScharnweberMartin PlathMichael Tobler Original Paper 03 May 2011 Pages: 77 - 83
Handicapped females receive more feedings during incubation from their mates: support for the female nutrition hypothesis Juan MorenoAlberto J. RedondoSonia González-Braojos Original Article 03 May 2011 Pages: 85 - 89
Further evidence for sex differences in suckling behaviour of captive plains zebra foals Jan PluháčekJitka BartošováLuděk Bartoš Short Communication 03 May 2011 Pages: 91 - 95
The fitness of the Brazilian damsel Stegastes fuscus is increased by sharing the territory with the dusky grouper Epinephelus marginatus Eduardo Bessa Short Communication 30 March 2011 Pages: 97 - 102
Foraging and vigilance time allocation in a guanaco (Lama guanicoe) population reintroduced in Quebrada del Condorito National Park (Córdoba, Argentina) Fernando R. BarriMariela Fernández Short Communication 26 April 2011 Pages: 103 - 107
Communication under sexual selection hypotheses: challenging prospects for future studies under extreme sexual conflict Alfredo V. PerettiAnita Aisenberg Commentary 28 April 2011 Pages: 109 - 116