Modularity of mind and the role of incentive motivation in representing novelty Patrick Anselme Review 22 April 2012 Pages: 443 - 459
Attending to detail by communal spider-eating spiders Robert R. JacksonXimena J. Nelson Original Paper 28 January 2012 Pages: 461 - 471
Rats can make relative perceptual judgments about sequential stimuli Clint PerryGidon Felsen Original Paper 16 February 2012 Pages: 473 - 481
Alternate behavioural measurements following a single operant training regime demonstrate differences in memory retention Sarah DalesmanKen Lukowiak Original Paper 22 February 2012 Pages: 483 - 494
Associative memory or algorithmic search: a comparative study on learning strategies of bats and shrews Rachel A. PageSophie von MertenBjörn M. Siemers Original Paper 06 March 2012 Pages: 495 - 504
Wild redfronted lemurs (Eulemur rufifrons) use social information to learn new foraging techniques Anna Viktoria SchnoellClaudia Fichtel Original Paper Open access 18 March 2012 Pages: 505 - 516
The Thatcher illusion in squirrel monkeys (Saimiri sciureus) Ryuzaburo NakataYoshihisa Osada Original Paper 13 March 2012 Pages: 517 - 523
Visual discrimination and object categorization in the cichlid Pseudotropheus sp. V. SchluesselG. FrickeH. Bleckmann Original Paper 21 March 2012 Pages: 525 - 537
Delaying gratification for food and tokens in capuchin monkeys (Cebus apella) and chimpanzees (Pan troglodytes): when quantity is salient, symbolic stimuli do not improve performance T. A. EvansM. J. BeranE. Addessi Original Paper 21 March 2012 Pages: 539 - 548
Two strings to choose from: do ravens pull the easier one? Gerit Pfuhl Original Paper 22 March 2012 Pages: 549 - 557
Social learning and acquired recognition of a predator by a marine fish R. P. ManassaM. I. McCormick Original Paper 28 March 2012 Pages: 559 - 565
The cognitive capabilities of farm animals: categorisation learning in dwarf goats (Capra hircus) Susann MeyerGerd NürnbergJan Langbein Original Paper 29 March 2012 Pages: 567 - 576
Understanding the functional properties of tools: chimpanzees (Pan troglodytes) and capuchin monkeys (Cebus apella) attend to tool features differently Gloria SabbatiniValentina TruppaElisabetta Visalberghi Original Paper 31 March 2012 Pages: 577 - 590
Cuttlefish rely on both polarized light and landmarks for orientation Lelia CartronAnne-Sophie DarmaillacqLudovic Dickel Original Paper 30 March 2012 Pages: 591 - 596
Domestication has not affected the understanding of means-end connections in dogs Friederike RangeHelene MöslingerZs Virányi Original Paper 30 March 2012 Pages: 597 - 607
Threat perception in the chameleon (Chamaeleo chameleon): evidence for lateralized eye use Avichai LustigHadas Keter-KatzGadi Katzir Original Paper 30 March 2012 Pages: 609 - 621
Cross-modal recognition of human individuals in domestic horses (Equus caballus) Jessica Frances LampeJeffrey Andre Original Paper 13 April 2012 Pages: 623 - 630
One-trial spatial learning: wild hummingbirds relocate a reward after a single visit I. Nuri Flores-AbreuT. Andrew HurlySusan D. Healy Original Paper 21 April 2012 Pages: 631 - 637
Amplitude modulation of sexy phrases is salient for song attractiveness in female canaries (Serinus canaria) Magali PasteauDavy UngThierry Aubin Original Paper 05 April 2012 Pages: 639 - 645
Does syntax contribute to the function of duets in a parrot, Amazona auropalliata? Christine R. DahlinTimothy F. Wright Original Paper 10 April 2012 Pages: 647 - 656
How two word-trained dogs integrate pointing and naming Susanne GrassmannJuliane KaminskiMichael Tomasello Original Paper Open access 24 April 2012 Pages: 657 - 665
Place and direction learning in a spatial T-maze task by neonatal piglets Monica R. P. ElmoreRyan N. DilgerRodney W. Johnson Original Paper 17 April 2012 Pages: 667 - 676
Biological relevance of acoustic signal affects discrimination performance in a songbird Marisa HoescheleLauren M. GuilletteChristopher B. Sturdy Original Paper 20 April 2012 Pages: 677 - 688
Stereotypic head twirls, but not pacing, are related to a ‘pessimistic’-like judgment bias among captive tufted capuchins (Cebus apella) Ori PomerantzJoseph TerkelAnnika Paukner Original Paper 20 April 2012 Pages: 689 - 698
The role of numerical competence in a specialized predatory strategy of an araneophagic spider Ximena J. NelsonRobert R. Jackson Original Paper 21 April 2012 Pages: 699 - 710
Further evidence for addition and numerical competence by a Grey parrot (Psittacus erithacus) Irene M. Pepperberg Short Communication 08 February 2012 Pages: 711 - 717
Erratum to: Further evidence for addition and numerical competence by a Grey parrot (Psittacus erithacus) Irene M. Pepperberg Erratum 09 March 2012 Pages: 719 - 719
Auditory contagious yawning in domestic dogs (Canis familiaris): first evidence for social modulation Karine SilvaJoana BessaLiliana de Sousa Short Communication 19 April 2012 Pages: 721 - 724
Tool-use in the brown bear (Ursus arctos) Volker B. Deecke Short Communication 25 February 2012 Pages: 725 - 730
Responses toward a trapped animal by wild bonobos at Wamba Misato HayashiGaku OhashiHeung Jin Ryu Short Communication 13 March 2012 Pages: 731 - 735
Does the A-not-B error in adult pet dogs indicate sensitivity to human communication? Anna KisJózsef TopálZsófia Virányi Short Communication 30 March 2012 Pages: 737 - 743