1. Multiple contest experiences interact to influence each other’s effect on subsequent contest decisions in a mangrove killifish

   • Yuying Hsu
   • Yu-Yun Huang
   • Ya-Ting Wu

   Original Paper 13 June 2013 Pages: 165 - 175

   

2. Defining reward value by cross-modal scaling

   • Anna H. Casey
   • Alan Silberberg
   • Stephen J. Suomi

   Original Paper 15 June 2013 Pages: 177 - 183

   

3. The role of learning in risk-avoidance strategies during spider–ant interactions

   • Yann Hénaut
   • Salima Machkour-M’Rabet
   • Jean-Paul Lachaud

   Original Paper 15 June 2013 Pages: 185 - 195

   

4. Chimpanzees (Pan troglodytes) can wait, when they choose to: a study with the hybrid delay task

   • Michael J. Beran
   • Theodore A. Evans
   • William D. Hopkins

   Original Paper 18 June 2013 Pages: 197 - 205

5. “Insight” in pigeons: absence of means–end processing in displacement tests

   • Robert G. Cook
   • Catherine Fowler

   Original Paper 18 June 2013 Pages: 207 - 220

   

6. Repeated acquisition and discrimination reversal in the squirrel monkey (Saimiri sciureus)

   • Brian D. Kangas
   • Jack Bergman

   Original Paper 22 June 2013 Pages: 221 - 228

   

7. Knowing your audience affects male–male interactions in Siamese fighting fish (Betta splendens)

   • Frédéric Bertucci
   • Ricardo J. Matos
   • Torben Dabelsteen

   Original Paper 22 June 2013 Pages: 229 - 236

   

8. Deferred imitation and declarative memory in domestic dogs

   • Claudia Fugazza
   • Ádám Miklósi

   Original Paper 16 July 2013 Pages: 237 - 247

   

9. Retrospective and prospective metacognitive judgments in rhesus macaques (Macaca mulatta)

   • Gin Morgan
   • Nate Kornell
   • Herbert S. Terrace

   Original Paper 30 June 2013 Pages: 249 - 257

   

10. Domestic dogs’ (Canis familiaris) choices in reference to information provided by human and artificial hands

    • Shannon M. A. Kundey
    • Justin Delise
    • Weston Dennen

    Original Paper 29 June 2013 Pages: 259 - 266

11. A danger foreseen is a danger avoided: how chemical cues of different tadpoles influence parental decisions of a Neotropical poison frog

    • Lisa M. Schulte
    • Stefan Lötters

    Original Paper 13 July 2013 Pages: 267 - 275

    

12. Meaning attribution in the West African green monkey: influence of call type and context

    • Tabitha Price
    • Julia Fischer

    Original Paper Open access 12 July 2013 Pages: 277 - 286

    

13. Prospective memory in children and chimpanzees

    • Bonnie M. Perdue
    • Theodore A. Evans
    • Michael J. Beran

    Original Paper 25 July 2013 Pages: 287 - 295

    

14. Quantity matching by an orangutan (Pongo abelii)

    • Jennifer Vonk

    Original Paper 20 July 2013 Pages: 297 - 306

    

15. Numerical acuity of fish is improved in the presence of moving targets, but only in the subitizing range

    • Christian Agrillo
    • Maria Elena Miletto Petrazzini
    • Angelo Bisazza

    Original Paper 27 July 2013 Pages: 307 - 316

    

16. The repertoire and intentionality of gestural communication in wild chimpanzees

    • Anna Ilona Roberts
    • Samuel George Bradley Roberts
    • Sarah-Jane Vick

    Original Paper 03 September 2013 Pages: 317 - 336

    

17. Egg incubation effects generate positive correlations between size, speed and learning ability in young lizards

    • Joshua Johnstone Amiel
    • Tom Lindström
    • Richard Shine

    Original Paper 07 August 2013 Pages: 337 - 347

    

18. Vocal group signatures in the goitred gazelle Gazella subgutturosa

    • Ilya A. Volodin
    • Elena V. Volodina
    • Natalia V. Soldatova

    Original Paper 09 August 2013 Pages: 349 - 357

    

19. Visual discrimination of rotated 3D objects in Malawi cichlids (Pseudotropheus sp.): a first indication for form constancy in fishes

    • V. Schluessel
    • H. Kraniotakes
    • H. Bleckmann

    Original Paper 28 August 2013 Pages: 359 - 371

    

20. Dogs’ comprehension of referential emotional expressions: familiar people and familiar emotions are easier

    • I. Merola
    • E. Prato-Previde
    • S. Marshall-Pescini

    Original Paper 18 August 2013 Pages: 373 - 385

    

21. Sensing sociality in dogs: what may make an interactive robot social?

    • Gabriella Lakatos
    • Mariusz Janiak
    • Á. Miklósi

    Original Paper 12 September 2013 Pages: 387 - 397

    

22. Appetitive and aversive olfactory learning induce similar generalization rates in the honey bee

    • Nick Bos
    • Edith Roussel
    • Patrizia d’Ettorre

    Original Paper 20 August 2013 Pages: 399 - 406

    

23. Early social deprivation negatively affects social skill acquisition in chimpanzees (Pan troglodytes)

    • Edwin J. C. van Leeuwen
    • Innocent Chitalu Mulenga
    • Diana Lisensky Chidester

    Original Paper 17 August 2013 Pages: 407 - 414

    

24. Learning and memory in the Port Jackson shark, Heterodontus portusjacksoni

    • Tristan L. Guttridge
    • Culum Brown

    Original Paper 18 August 2013 Pages: 415 - 425

    

25. When less is more: like humans, chimpanzees (Pan troglodytes) misperceive food amounts based on plate size

    • Audrey E. Parrish
    • Michael J. Beran

    Original Paper 15 August 2013 Pages: 427 - 434

    

26. Specialised use of working memory by Portia africana, a spider-eating salticid

    • Fiona R. Cross
    • Robert R. Jackson

    Original Paper 28 August 2013 Pages: 435 - 444

    

27. Behavioural coordination of dogs in a cooperative problem-solving task with a conspecific and a human partner

    • Ljerka Ostojić
    • Nicola S. Clayton

    Original Paper Open access 01 September 2013 Pages: 445 - 459

    

28. My owner, right or wrong: the effect of familiarity on the domestic dog’s behavior in a food-choice task

    • Amy Cook
    • Jennifer Arter
    • Lucia F. Jacobs

    Original Paper 31 August 2013 Pages: 461 - 470

    

29. A reversed Ebbinghaus–Titchener illusion in bantams (Gallus gallus domesticus)

    • Noriyuki Nakamura
    • Sota Watanabe
    • Kazuo Fujita

    Original Paper 31 August 2013 Pages: 471 - 481

    

30. Male vocal competition is dynamic and strongly affected by social contexts in music frogs

    • Guangzhan Fang
    • Fan Jiang
    • Yezhong Tang

    Original Paper 13 September 2013 Pages: 483 - 494

    

31. What to copy: the key factor of observational learning in striped jack (Pseudocaranx dentex) juveniles

    • K. Takahashi
    • R. Masuda
    • Y. Yamashita

    Original Paper 04 October 2013 Pages: 495 - 501