1. Taï chimpanzees use botanical skills to discover fruit: what we can learn from their mistakes

   • Karline R. L. Janmaat
   • Simone D. Ban
   • Christophe Boesch

   Original Paper 11 April 2013 Pages: 851 - 860

   

2. Attentional biases and memory for emotional stimuli in men and male rhesus monkeys

   • Agnès Lacreuse
   • Kelly Schatz
   • Rebecca Ready

   Original Paper 05 March 2013 Pages: 861 - 871

   

3. Sex differences in memory for landmark arrays in C57BL/J6 mice

   • Tania J. Bettis
   • Lucia F. Jacobs

   Original Paper 23 March 2013 Pages: 873 - 882

   

4. Successive and conditional discrimination learning in pigs

   • Eimear Murphy
   • Lynn Kraak
   • Franz Josef van der Staay

   Original Paper 24 March 2013 Pages: 883 - 893

   

5. Perception of the Ebbinghaus illusion in four-day-old domestic chicks (Gallus gallus)

   • O. Rosa Salva
   • R. Rugani
   • G. Vallortigara

   Original Paper 10 April 2013 Pages: 895 - 906

   

6. Human risky choice in a repeated-gambles procedure: an up-linkage replication of Lakshminarayanan, Chen and Santos (2011)

   • Alan Silberberg
   • Scott Parker
   • Laura Wyatt

   Original Paper 23 March 2013 Pages: 907 - 914

   

7. A harbor seal can transfer the same/different concept to new stimulus dimensions

   • Christine Scholtyssek
   • Almut Kelber
   • Guido Dehnhardt

   Original Paper 28 March 2013 Pages: 915 - 925

   

8. Social learning in Cartilaginous fish (stingrays Potamotrygon falkneri)

   • Kerstin E. Thonhauser
   • Tamar Gutnick
   • Michael J. Kuba

   Original Paper 26 March 2013 Pages: 927 - 932

   

9. Gaze alternation in dogs and toddlers in an unsolvable task: evidence of an audience effect

   • S. Marshall-Pescini
   • E. Colombo
   • E. Prato-Previde

   Original Paper 30 March 2013 Pages: 933 - 943

   

10. Perception of individuality in bat vocal communication: discrimination between, or recognition of, interaction partners?

    • Hanna B. Kastein
    • Rebecca Winter
    • Sabine Schmidt

    Original Paper 07 May 2013 Pages: 945 - 959

    

11. Looking back at ‘looking back’: operationalising referential gaze for dingoes in an unsolvable task

    • Bradley Philip Smith
    • Carla Anita Litchfield

    Original Paper 10 April 2013 Pages: 961 - 971

    

12. Visual event-related potentials of dogs: a non-invasive electroencephalography study

    • Heini Törnqvist
    • Miiamaaria V. Kujala
    • Outi Vainio

    Original Paper 10 April 2013 Pages: 973 - 982

    

13. Pigeons discriminate objects on the basis of abstract familiarity

    • Claudia Stephan
    • Anna Wilkinson
    • Ludwig Huber

    Original Paper 14 April 2013 Pages: 983 - 992

    

14. Nestling barn owls assess short-term variation in the amount of vocally competing siblings

    • Charlène A. Ruppli
    • Amélie N. Dreiss
    • Alexandre Roulin

    Original Paper 19 April 2013 Pages: 993 - 1000

    

15. Characterization of long-term memory, resistance to extinction, and influence of temperament during two instrumental tasks in horses

    • Mathilde Valenchon
    • Frédéric Lévy
    • Léa Lansade

    Short Communication 07 June 2013 Pages: 1001 - 1006

    

16. Familiarity-connected or stress-based contagious yawning in domestic dogs (Canis familiaris)? Some additional data

    • Karine Silva
    • Joana Bessa
    • Liliana de Sousa

    Short Communication 28 August 2013 Pages: 1007 - 1009

17. Erratum to: Barriers and traps: great apes’ performance in two functionally equivalent tasks

    • Gema Martin-Ordas
    • Franka Jaeck
    • Josep Call

    Erratum 13 September 2013 Pages: 1011 - 1011