Comparing supervised learning methods for classifying sex, age, context and individual Mudi dogs from barking Ana LarrañagaConcha BielzaPedro Larrañaga Original Paper 12 October 2014 Pages: 405 - 421
Contextual correlates of syntactic variation in mountain and western gorilla close-distance vocalizations: Indications for lexical or phonological syntax? Daniela HedwigRoger MundryChristophe Boesch Original Paper 14 October 2014 Pages: 423 - 435
From colour photographs to black-and-white line drawings: an assessment of chimpanzees’ (Pan troglodytes’) transfer behaviour James CloseJosep Call Original Paper 18 October 2014 Pages: 437 - 449
Do Tonkean macaques (Macaca tonkeana) tailor their gestural and visual signals to fit the attentional states of a human partner? Charlotte CanteloupDalila BovetHélène Meunier Original Paper 14 October 2014 Pages: 451 - 461
Something worth remembering: visual discrimination in sharks Theodora FussVera Schluessel Original Paper 31 October 2014 Pages: 463 - 471
Erratum to: Something worth remembering: visual discrimination in sharks Theodora FussVera Schluessel Erratum 17 December 2014 Pages: 473 - 474
Do dogs follow behavioral cues from an unreliable human? Akiko TakaokaTomomi MaedaKazuo Fujita Original Paper 28 October 2014 Pages: 475 - 483
Problem-solving and learning in Carib grackles: individuals show a consistent speed–accuracy trade-off S. DucatezJ. N. AudetL. Lefebvre Original Paper 09 November 2014 Pages: 485 - 496
Irrespective of size, scales, color or body shape, all fish are just fish: object categorization in the gray bamboo shark Chiloscyllium griseum V. SchluesselD. Duengen Original Paper 11 November 2014 Pages: 497 - 507
Solving a novel confinement problem by spartaeine salticids that are predisposed to solve problems in the context of predation Fiona R. CrossRobert R. Jackson Original Paper 13 November 2014 Pages: 509 - 515
Emotions on the loose: emotional contagion and the role of oxytocin in pigs Inonge ReimertJ. Elizabeth BolhuisT. Bas Rodenburg Original Paper Open access 11 November 2014 Pages: 517 - 532
The Ebbinghaus illusion in a fish (Xenotoca eiseni) Valeria Anna SovranoLiliana AlbertazziOrsola Rosa Salva Original Paper 21 November 2014 Pages: 533 - 542
Can bottlenose dolphins (Tursiops truncatus) cooperate when solving a novel task? Stan A. Kuczaj IIKelley A. WinshipHolli C. Eskelinen Original Paper 20 November 2014 Pages: 543 - 550
Why do seals have cones? Behavioural evidence for colour-blindness in harbour seals Christine ScholtyssekAlmut KelberGuido Dehnhardt Original Paper Open access 02 December 2014 Pages: 551 - 560
Decision-making under risk and ambiguity in low-birth-weight pigs Eimear MurphyLynn KraakFranz Josef van der Staay Original Paper 20 December 2014 Pages: 561 - 572
Social preferences influence the short-term exchange of social grooming among male bonobos Martin SurbeckGottfried Hohmann Original Paper 18 December 2014 Pages: 573 - 579