Spectral tuning and perceptual differences do not explain the rejection of brood parasitic eggs by American robins (Turdus migratorius) Rebecca CrostonMark E. Hauber Original Paper 23 November 2013 Pages: 351 - 362
Context-dependent acceptance of non-nestmates in a primitively eusocial insect Floria Mora-Kepfer Original Paper 17 November 2013 Pages: 363 - 371
Land or lover? Territorial defence and mutual mate guarding in the crimson-breasted shrike Irene M. van den HeuvelMichael I. CherryGeorg M. Klump Original Paper 19 November 2013 Pages: 373 - 381
Density dependence in social behaviour: home range overlap and density interacts to affect conspecific encounter rates in a gregarious ungulate Eric Vander WalMichel P. LaforgePhilip D. McLoughlin Original Paper 28 November 2013 Pages: 383 - 390
The nature of the migration route shapes physiological traits and aerodynamic properties in a migratory songbird Anna-Marie CormanFranz BairleinHeiko Schmaljohann Original Paper 04 December 2013 Pages: 391 - 402
Foreign egg retention by avian hosts in repeated brood parasitism: why do rejecters accept? Csaba MoskátMárk E. HauberJan Komdeur Original Paper 04 December 2013 Pages: 403 - 413
Polyandry and paternity in a wild population of the swordtail Xiphophorus nigrensis Chad C. Smith Original Paper 05 December 2013 Pages: 415 - 424
Boldness is influenced by sublethal interactions with predators and is associated with successful harem infiltration in Madagascar hissing cockroaches Donna R. McDermottMichael J. ChipsJonathan N. Pruitt Original Paper 10 December 2013 Pages: 425 - 435
Effects of early auditory experience on the development of local song preference in female swamp sparrows Rindy C. AndersonSusan PetersStephen Nowicki Original Paper 04 January 2014 Pages: 437 - 447
Humans use social information to adjust their quorum thresholds adaptively in a simulated predator detection experiment Ralf H. J. M. KurversMax WolfJens Krause Original Paper 04 December 2013 Pages: 449 - 456
Switching to Plan B: changes in the escape tactics of two grasshopper species (Acrididae: Orthoptera) in response to repeated predatory approaches Philip W. BatemanPatricia A. Fleming Original Paper 06 December 2013 Pages: 457 - 465
Almost royal: incomplete suppression of host worker ovarian development by a social parasite wasp Alessandro CiniRachele NieriRita Cervo Original Paper 11 December 2013 Pages: 467 - 475
Large donors transfer more sperm, but depletion is faster in a promiscuous hermaphrodite Nils AnthesJohanna WerminghausenRolanda Lange Original Paper 10 December 2013 Pages: 477 - 483
What are the strengths and limitations of direct and indirect assessment of dispersal? Insights from a long-term field study in a group-living bird species Michael GriesserPeter HalvarssonJan Ekman Original Paper 24 December 2013 Pages: 485 - 497
Sanitizing the fortress: protection of ant brood and nest material by worker antibiotics C. TranterP. GraystockW. O. H. Hughes Original Paper 13 December 2013 Pages: 499 - 507
Efficiency and robustness of ant colony transportation networks Zoe CookDaniel W. FranksElva J. H. Robinson Original Paper 15 December 2013 Pages: 509 - 517
Effect of predation threat on repeatability of individual crab behavior revealed by mark-recapture Benjamin J. ToscanoJohn GattoBlaine D. Griffen Original Paper 20 December 2013 Pages: 519 - 527
