Can cuttlefish learn by observing others? Kuan-Ling HuangChuan-Chin Chiao Original Paper 26 October 2012 Pages: 313 - 320
Learning of an oddity rule by pigeons in a four-choice touch-screen procedure Ulrike AustMichael M. Steurer Original Paper 31 October 2012 Pages: 321 - 341
Lateralized suckling in domestic horses (Equus caballus) Martina KomárkováJitka Bartošová Original Paper 02 November 2012 Pages: 343 - 349
Domestic dogs conceal auditory but not visual information from others Juliane BräuerMagdalena KeckeisenMichael Tomasello Original Paper 03 November 2012 Pages: 351 - 359
Do domestic dogs interpret pointing as a command? Linda ScheiderJuliane KaminskiMichael Tomasello Original Paper 09 November 2012 Pages: 361 - 372
Quantification abilities in angelfish (Pterophyllum scalare): the influence of continuous variables Luis M. Gómez-LaplazaRobert Gerlai Original Paper 17 November 2012 Pages: 373 - 383
Dogs steal in the dark Juliane KaminskiAndrea PitschMichael Tomasello Original Paper 20 November 2012 Pages: 385 - 394
Different responses of two strains of chickens to different training procedures for magnetic directions Susanne DenzauChristine NießnerWolfgang Wiltschko Original Paper 23 November 2012 Pages: 395 - 403
Ontogeny of object permanence in a non-storing corvid species, the jackdaw (Corvus monedula) Dorottya Júlia UjfalussyÁdám MiklósiThomas Bugnyar Original Paper 17 November 2012 Pages: 405 - 416
The psychophysics of sugar concentration discrimination and contrast evaluation in bumblebees Vladislav NachevJames D. ThomsonYork Winter Original Paper Open access 22 November 2012 Pages: 417 - 427
Environmental enrichment affects suboptimal, risky, gambling-like choice by pigeons Kristina F. PattisonJennifer R. LaudeThomas R. Zentall Original Paper 07 December 2012 Pages: 429 - 434
Dogs’ attention towards humans depends on their relationship, not only on social familiarity Lisa HornFriederike RangeLudwig Huber Original Paper 06 December 2012 Pages: 435 - 443
Automated cognitive testing of monkeys in social groups yields results comparable to individual laboratory-based testing Regina Paxton GazesEmily Kathryn BrownRobert R. Hampton Original Paper 21 December 2012 Pages: 445 - 458
Social learning in captive African elephants (Loxodonta africana africana) Brian J. GrecoTracey K. BrownNancy G. Caine Original Paper 14 December 2012 Pages: 459 - 469
Use of gesture sequences in captive chimpanzee (Pan troglodytes) play Maureen S. McCarthyMary Lee Abshire JensvoldDeborah H. Fouts Original Paper 23 December 2012 Pages: 471 - 481
How to solve a mechanical problem: the relevance of visible and unobservable functionality for kea Gy. K. GajdonT. M. OrtnerL. Huber Original Paper 27 December 2012 Pages: 483 - 492
Understanding of and reasoning about object–object relationships in long-tailed macaques? Christian SchloeglMichael R. WaldmannJulia Fischer Original Paper Open access 17 February 2013 Pages: 493 - 507
Goal-oriented, flexible use of numerical operations by monkeys Sumito OkuyamaJun-ichi IwataHajime Mushiake Original Paper 09 January 2013 Pages: 509 - 518
Baboons, like humans, solve analogy by categorical abstraction of relations Timothy M. FlemmingRoger K. R. ThompsonJoël Fagot Short Communication 20 January 2013 Pages: 519 - 524
Independent appearance of an innovative feeding behaviour in Antillean bullfinches S. DucatezJ. N. AudetL. Lefebvre Short Communication 14 February 2013 Pages: 525 - 529
