1. Revisiting social recognition systems in invertebrates

   • Francesca Gherardi
   • Laura Aquiloni
   • Elena Tricarico

   Review 26 May 2012 Pages: 745 - 762

   

2. Worms under cover: relationships between performance in learning tasks and personality in great tits (Parus major)

   • Mathieu Amy
   • Kees van Oers
   • Marc Naguib

   Original Paper 25 April 2012 Pages: 763 - 770

   

3. Changing within-trial array location and target object position enhances rats’ (Rattus norvegicus) missing object recognition accuracy

   • Marium Arain
   • Varakini Parameswaran
   • Jerome Cohen

   Original Paper 26 April 2012 Pages: 771 - 782

   

4. Are monkeys able to plan for future exchange?

   • Marie Bourjade
   • Bernard Thierry
   • Valérie Dufour

   Original Paper 25 April 2012 Pages: 783 - 795

   

5. Influence of spatial environment on maze learning in an African mole-rat

   • Lydia du Toit
   • Nigel C. Bennett
   • Martin J. Whiting

   Original Paper 09 May 2012 Pages: 797 - 806

   

6. Understanding the role of uncertainty on learning and retention of predator information

   • Maud C. O. Ferrari
   • Jana Vrtělová
   • Douglas P. Chivers

   Original Paper 01 May 2012 Pages: 807 - 813

   

7. Are temporal features crucial acoustic cues in dog vocal recognition?

   • Marcello Siniscalchi
   • Rita Lusito
   • Angelo Quaranta

   Original Paper 28 April 2012 Pages: 815 - 821

   

8. On the function of redfronted lemur’s close calls

   • Femke J. Pflüger
   • Claudia Fichtel

   Original Paper Open access 10 May 2012 Pages: 823 - 831

   

9. Ordinality and novel sequence learning in jackdaws

   • G. Pfuhl
   • R. Biegler

   Original Paper 09 May 2012 Pages: 833 - 849

   

10. Empathic-like responding by domestic dogs (Canis familiaris) to distress in humans: an exploratory study

    • Deborah Custance
    • Jennifer Mayer

    Original Paper 29 May 2012 Pages: 851 - 859

    

11. Independent effects of geometry and landmark in a spontaneous reorientation task: a study of two species of fish

    • Sang Ah Lee
    • Giorgio Vallortigara
    • Valeria A. Sovrano

    Original Paper 19 May 2012 Pages: 861 - 870

    

12. Preference for biological motion in domestic chicks: sex-dependent effect of early visual experience

    • Momoko Miura
    • Toshiya Matsushima

    Original Paper 24 May 2012 Pages: 871 - 879

    

13. Different recognition cues reveal the decision rules used for egg rejection by hosts of a variably mimetic avian brood parasite

    • M. Alicia de la Colina
    • Lorena Pompilio
    • Bettina Mahler

    Original Paper 25 May 2012 Pages: 881 - 889

    

14. How special is sameness for pigeons and people?

    • Edward A. Wasserman
    • Leyre Castro

    Original Paper 20 May 2012 Pages: 891 - 902

    

15. Omission of expected reward agitates Atlantic salmon (Salmo salar)

    • Marco A. Vindas
    • Ole Folkedal
    • Øyvind Øverli

    Original Paper 24 May 2012 Pages: 903 - 911

    

16. Are head cues necessary for goats (Capra hircus) in recognising group members?

    • Nina M. Keil
    • Sabrina Imfeld-Mueller
    • Beat Wechsler

    Original Paper 29 May 2012 Pages: 913 - 921

    

17. Problem solving in great apes (Pan paniscus, Pan troglodytes, Gorilla gorilla, and Pongo abelii): the effect of visual feedback

    • Christoph J. Völter
    • Josep Call

    Original Paper 30 May 2012 Pages: 923 - 936

    

18. 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 Chapelain
    • Agathe Laurence
    • Catherine Blois-Heulin

    Original Paper 21 June 2012 Pages: 937 - 953

    

19. Putting the elephant back in the herd: elephant relative quantity judgments match those of other species

    • Bonnie M. Perdue
    • Catherine F. Talbot
    • Michael J. Beran

    Original Paper 13 June 2012 Pages: 955 - 961

    

20. Capuchin monkeys (Cebus apella) let lesser rewards pass them by to get better rewards

    • Jessica L. Bramlett
    • Bonnie M. Perdue
    • Michael J. Beran

    Original Paper 12 June 2012 Pages: 963 - 969

    

21. Eye preferences in captive chimpanzees

    • Stephanie N. Braccini
    • Susan P. Lambeth
    • W. Tecumseh Fitch

    Original Paper 26 June 2012 Pages: 971 - 978

    

22. Rats distinguish between absence of events and lack of evidence in contingency learning

    • Michael R. Waldmann
    • Martina Schmid
    • Aaron P. Blaisdell

    Original Paper Open access 29 June 2012 Pages: 979 - 990

    

23. Domestic dogs’ (Canis familiaris) choices in reference to agreement among human informants on location of food

    • Shannon M. A. Kundey
    • Rebecca German
    • Meghan Tomlin

    Original Paper 05 July 2012 Pages: 991 - 997

24. Perception of size-related formant information in male koalas (Phascolarctos cinereus)

    • Benjamin D. Charlton
    • William A. H. Ellis
    • W. Tecumseh Fitch

    Original Paper 28 June 2012 Pages: 999 - 1006

    

25. Barriers and traps: great apes’ performance in two functionally equivalent tasks

    • Gema Martin-Ordas
    • Franka Jaek
    • Josep Call

    Short Communication 28 April 2012 Pages: 1007 - 1013

    

26. You sound familiar: carrion crows can differentiate between the calls of known and unknown heterospecifics

    • Claudia A. F. Wascher
    • Georgine Szipl
    • Anna Wilkinson

    Short Communication 27 April 2012 Pages: 1015 - 1019

    

27. Performance on patterned string problems by common marmosets (Callithrix jacchus)

    • Matthew Gagne
    • Kathryn Levesque
    • Charles Locurto

    Short Communication 11 May 2012 Pages: 1021 - 1030

    

28. Brief owner absence does not induce negative judgement bias in pet dogs

    • Corsin A. Müller
    • Stefanie Riemer
    • Ludwig Huber

    Short Communication 03 July 2012 Pages: 1031 - 1035