Revisiting social recognition systems in invertebrates Francesca GherardiLaura AquiloniElena Tricarico Review 26 May 2012 Pages: 745 - 762
Worms under cover: relationships between performance in learning tasks and personality in great tits (Parus major) Mathieu AmyKees van OersMarc Naguib Original Paper 25 April 2012 Pages: 763 - 770
Changing within-trial array location and target object position enhances rats’ (Rattus norvegicus) missing object recognition accuracy Marium ArainVarakini ParameswaranJerome Cohen Original Paper 26 April 2012 Pages: 771 - 782
Are monkeys able to plan for future exchange? Marie BourjadeBernard ThierryValérie Dufour Original Paper 25 April 2012 Pages: 783 - 795
Influence of spatial environment on maze learning in an African mole-rat Lydia du ToitNigel C. BennettMartin J. Whiting Original Paper 09 May 2012 Pages: 797 - 806
Understanding the role of uncertainty on learning and retention of predator information Maud C. O. FerrariJana VrtělováDouglas P. Chivers Original Paper 01 May 2012 Pages: 807 - 813
Are temporal features crucial acoustic cues in dog vocal recognition? Marcello SiniscalchiRita LusitoAngelo Quaranta Original Paper 28 April 2012 Pages: 815 - 821
On the function of redfronted lemur’s close calls Femke J. PflügerClaudia Fichtel Original Paper Open access 10 May 2012 Pages: 823 - 831
Ordinality and novel sequence learning in jackdaws G. PfuhlR. Biegler Original Paper 09 May 2012 Pages: 833 - 849
Empathic-like responding by domestic dogs (Canis familiaris) to distress in humans: an exploratory study Deborah CustanceJennifer Mayer Original Paper 29 May 2012 Pages: 851 - 859
Independent effects of geometry and landmark in a spontaneous reorientation task: a study of two species of fish Sang Ah LeeGiorgio VallortigaraValeria A. Sovrano Original Paper 19 May 2012 Pages: 861 - 870
Preference for biological motion in domestic chicks: sex-dependent effect of early visual experience Momoko MiuraToshiya Matsushima Original Paper 24 May 2012 Pages: 871 - 879
Different recognition cues reveal the decision rules used for egg rejection by hosts of a variably mimetic avian brood parasite M. Alicia de la ColinaLorena PompilioBettina Mahler Original Paper 25 May 2012 Pages: 881 - 889
How special is sameness for pigeons and people? Edward A. WassermanLeyre Castro Original Paper 20 May 2012 Pages: 891 - 902
Omission of expected reward agitates Atlantic salmon (Salmo salar) Marco A. VindasOle FolkedalØyvind Øverli Original Paper 24 May 2012 Pages: 903 - 911
Are head cues necessary for goats (Capra hircus) in recognising group members? Nina M. KeilSabrina Imfeld-MuellerBeat Wechsler Original Paper 29 May 2012 Pages: 913 - 921
Problem solving in great apes (Pan paniscus, Pan troglodytes, Gorilla gorilla, and Pongo abelii): the effect of visual feedback Christoph J. VölterJosep Call Original Paper 30 May 2012 Pages: 923 - 936
Hand preference and its flexibility according to the position of the object: a study in cercopithecines examining spontaneous behaviour and an experimental task (the Bishop QHP task) Amandine ChapelainAgathe LaurenceCatherine Blois-Heulin Original Paper 21 June 2012 Pages: 937 - 953
Putting the elephant back in the herd: elephant relative quantity judgments match those of other species Bonnie M. PerdueCatherine F. TalbotMichael J. Beran Original Paper 13 June 2012 Pages: 955 - 961
Capuchin monkeys (Cebus apella) let lesser rewards pass them by to get better rewards Jessica L. BramlettBonnie M. PerdueMichael J. Beran Original Paper 12 June 2012 Pages: 963 - 969
Eye preferences in captive chimpanzees Stephanie N. BracciniSusan P. LambethW. Tecumseh Fitch Original Paper 26 June 2012 Pages: 971 - 978
Rats distinguish between absence of events and lack of evidence in contingency learning Michael R. WaldmannMartina SchmidAaron P. Blaisdell Original Paper Open access 29 June 2012 Pages: 979 - 990
Domestic dogs’ (Canis familiaris) choices in reference to agreement among human informants on location of food Shannon M. A. KundeyRebecca GermanMeghan Tomlin Original Paper 05 July 2012 Pages: 991 - 997
Perception of size-related formant information in male koalas (Phascolarctos cinereus) Benjamin D. CharltonWilliam A. H. EllisW. Tecumseh Fitch Original Paper 28 June 2012 Pages: 999 - 1006
Barriers and traps: great apes’ performance in two functionally equivalent tasks Gema Martin-OrdasFranka JaekJosep Call Short Communication 28 April 2012 Pages: 1007 - 1013
You sound familiar: carrion crows can differentiate between the calls of known and unknown heterospecifics Claudia A. F. WascherGeorgine SziplAnna Wilkinson Short Communication 27 April 2012 Pages: 1015 - 1019
Performance on patterned string problems by common marmosets (Callithrix jacchus) Matthew GagneKathryn LevesqueCharles Locurto Short Communication 11 May 2012 Pages: 1021 - 1030
Brief owner absence does not induce negative judgement bias in pet dogs Corsin A. MüllerStefanie RiemerLudwig Huber Short Communication 03 July 2012 Pages: 1031 - 1035