The role of wax and resin in the nestmate recognition system of a stingless bee, Tetragonisca angustula Sam M. JonesJelle S. van ZwedenFrancis L. W. Ratnieks Original Paper 20 September 2011 Pages: 1 - 12
A field test of the effects of familiarity and relatedness on social associations and reproduction in prairie voles Kristen E. LuciaBrian Keane Original Paper 06 September 2011 Pages: 13 - 27
Age-related female mating decisions are condition dependent in wolf spiders Dustin J. WilgersEileen A. Hebets Original Paper 02 September 2011 Pages: 29 - 38
Genetic influence on caste determination underlying the asexual queen succession system in a termite Yuuka YamamotoKenji Matsuura Original Paper 01 September 2011 Pages: 39 - 46
Behavioural responses to indirect and direct predator cues by a mammalian herbivore, the common brushtail possum Carolyn L. NersesianPeter B. BanksClare McArthur Original Paper 07 September 2011 Pages: 47 - 55
Sociality, exotic ectoparasites, and fitness in the plural breeding rodent Octodon degus Joseph R. BurgerAdrian S. CheshLoren D. Hayes Original Paper 02 September 2011 Pages: 57 - 66
Multiple mating opportunities boost protandry in a pied flycatcher population David CanalRoger JovaniJaime Potti Original Paper 06 September 2011 Pages: 67 - 76
Invading together: the benefits of coalition dispersal in a cooperative bird Amanda R. Ridley Original Paper 06 September 2011 Pages: 77 - 83
The anti-predator behaviour of wild white-handed gibbons (Hylobates lar) Esther ClarkeUlrich H. ReichardKlaus Zuberbühler Original Paper 22 September 2011 Pages: 85 - 96
Genital morphology linked to social status in the bank vole (Myodes glareolus) Jean-François LemaîtreSteven A. RammPaula Stockley Original Paper 13 September 2011 Pages: 97 - 105
The interspecific relationship between prevalence of blood parasites and sexual traits in birds when considering recent methodological advancements László Zsolt GaramszegiAnders Pape Møller Original Paper 20 September 2011 Pages: 107 - 119
Information content of female copulation calls in wild long-tailed macaques (Macaca fascicularis) Antje EngelhardtJulia FischerMichael Heistermann Original Paper Open access 27 September 2011 Pages: 121 - 134
Safe betting: males help dull females only when they raise high-quality offspring Judith MoralesRoxana TorresAlberto Velando Original Paper 30 September 2011 Pages: 135 - 143
Mate quality, not aggressive spillover, explains sexual cannibalism in a size-dimorphic spider Simona Kralj-FišerJutta M. SchneiderMatjaž Kuntner Original Paper 14 October 2011 Pages: 145 - 151
Evaluating animal personalities: do observer assessments and experimental tests measure the same thing? Alecia J. CarterHarry H. MarshallGuy Cowlishaw Original Paper 29 September 2011 Pages: 153 - 160
Individual deviation from behavioural correlations: a simple approach to study the evolution of behavioural syndromes Gábor HerczegLászló Zsolt Garamszegi Methods 02 December 2011 Pages: 161 - 169