1. Animal logics: Decisions in the absence of human language

   • Shigeru Watanabe
   • Ludwig Huber

   Review 15 August 2006 Pages: 235 - 245

2. The logic of the stimulus

   • Stephen E. G. Lea
   • Kazuhiro Goto
   • Catriona M. E. Ryan

   Review 15 August 2006 Pages: 247 - 256

   

3. Categorization of visual stimuli in the honeybee Apis mellifera

   • Julie Benard
   • Silke Stach
   • Martin Giurfa

   Review 15 August 2006 Pages: 257 - 270

   

4. Towards a “virtual pigeon”: A new technique for investigating avian social perception

   • Shigeru Watanabe
   • Nikolaus F. Troje

   Original Article 22 September 2006 Pages: 271 - 279

   

5. Multiple landmarks, the encoding of environmental geometry and the spatial logics of a dual brain

   • A. Della Chiesa
   • T. Pecchia
   • G. Vallortigara

   Original Article 29 August 2006 Pages: 281 - 293

   

6. Technical intelligence in animals: the kea model

   • Ludwig Huber
   • Gyula K. Gajdon

   Review 15 August 2006 Pages: 295 - 305

   

7. The right tool for the job: what strategies do wild New Caledonian crows use?

   • Gavin R. Hunt
   • Robb B. Rutledge
   • Russell D. Gray

   Original Article 29 August 2006 Pages: 307 - 316

   

8. A New Caledonian crow (Corvus moneduloides) creatively re-designs tools by bending or unbending aluminium strips

   • Alex A. S. Weir
   • Alex Kacelnik

   Original Article 22 September 2006 Pages: 317 - 334

   

9. Imitation: definitions, evidence, and mechanisms

   • Thomas R. Zentall

   Review 26 September 2006 Pages: 335 - 353

   

10. Reproducing human actions and action sequences: “Do as I Do!” in a dog

    • József Topál
    • Richard W. Byrne
    • Vilmos Csányi

    Original Article 22 September 2006 Pages: 355 - 367

    

11. Pilfering ravens, Corvus corax, adjust their behaviour to social context and identity of competitors

    • Thomas Bugnyar
    • Bernd Heinrich

    Original Article 15 August 2006 Pages: 369 - 376

    

12. Grey parrot numerical competence: a review

    • Irene M. Pepperberg

    Review 15 August 2006 Pages: 377 - 391

    

13. Inferences by exclusion in the great apes: the effect of age and species

    • Josep Call

    Original Article 22 August 2006 Pages: 393 - 403