1. Left gaze bias in humans, rhesus monkeys and domestic dogs

   • Kun Guo
   • Kerstin Meints
   • Daniel Mills

   Original Paper 17 October 2008 Pages: 409 - 418

   

2. Flexible cue use in food-caching birds

   • Lara D. LaDage
   • Timothy C. Roth II
   • Vladimir V. Pravosudov

   Original Paper 26 November 2008 Pages: 419 - 426

   

3. Gaze following and gaze priming in lemurs

   • April Ruiz
   • Juan Carlos Gómez
   • Richard W. Byrne

   Original Paper 24 December 2008 Pages: 427 - 434

   

4. Prairie dog alarm calls encode labels about predator colors

   • C. N. Slobodchikoff
   • Andrea Paseka
   • Jennifer L. Verdolin

   Original Paper 31 December 2008 Pages: 435 - 439

   

5. Wild chimpanzees (Pan troglodytes schweinfurthii) distinguish between different scream types: evidence from a playback study

   • Katie Elizabeth Slocombe
   • Simon W. Townsend
   • Klaus Zuberbühler

   Original Paper 28 December 2008 Pages: 441 - 449

   

6. Long-term memory for categories and concepts in horses (Equus caballus)

   • Evelyn B. Hanggi
   • Jerry F. Ingersoll

   Original Paper 16 January 2009 Pages: 451 - 462

   

7. Quantity discrimination in Tenebrio molitor: evidence of numerosity discrimination in an invertebrate?

   • P. Carazo
   • E. Font
   • E. Desfilis

   Original Paper 01 January 2009 Pages: 463 - 470

   

8. The effect of development and individual differences in pointing comprehension of dogs

   • Márta Gácsi
   • Edina Kara
   • Ádám Miklósi

   Original Paper 07 January 2009 Pages: 471 - 479

   

9. Cross-fostering diminishes song discrimination in zebra finches (Taeniopygia guttata)

   • Dana L. M. Campbell
   • Mark E. Hauber

   Original Paper 07 January 2009 Pages: 481 - 490

   

10. Navigating two-dimensional mazes: chimpanzees (Pan troglodytes) and capuchins (Cebus apella sp.) profit from experience differently

    • Dorothy M. Fragaszy
    • Erica Kennedy
    • William Hopkins

    Original Paper 16 January 2009 Pages: 491 - 504

    

11. Does inequity aversion depend on a frustration effect? A test with capuchin monkeys (Cebus apella)

    • Alan Silberberg
    • Lara Crescimbene
    • Elisabetta Visalberghi

    Original Paper 28 January 2009 Pages: 505 - 509

    

12. Local rather than global processing of visual arrays in numerosity discrimination by pigeons (Columba livia)

    • Jacky Emmerton
    • Jennifer C. Renner

    Original Paper 30 January 2009 Pages: 511 - 526

    

13. Gestural communication of the gorilla (Gorilla gorilla): repertoire, intentionality and possible origins

    • Emilie Genty
    • Thomas Breuer
    • Richard W. Byrne

    Original Paper Open access 01 February 2009 Pages: 527 - 546