Left gaze bias in humans, rhesus monkeys and domestic dogs Kun GuoKerstin MeintsDaniel Mills Original Paper 17 October 2008 Pages: 409 - 418
Flexible cue use in food-caching birds Lara D. LaDageTimothy C. Roth IIVladimir V. Pravosudov Original Paper 26 November 2008 Pages: 419 - 426
Gaze following and gaze priming in lemurs April RuizJuan Carlos GómezRichard W. Byrne Original Paper 24 December 2008 Pages: 427 - 434
Prairie dog alarm calls encode labels about predator colors C. N. SlobodchikoffAndrea PasekaJennifer L. Verdolin Original Paper 31 December 2008 Pages: 435 - 439
Wild chimpanzees (Pan troglodytes schweinfurthii) distinguish between different scream types: evidence from a playback study Katie Elizabeth SlocombeSimon W. TownsendKlaus Zuberbühler Original Paper 28 December 2008 Pages: 441 - 449
Long-term memory for categories and concepts in horses (Equus caballus) Evelyn B. HanggiJerry F. Ingersoll Original Paper 16 January 2009 Pages: 451 - 462
Quantity discrimination in Tenebrio molitor: evidence of numerosity discrimination in an invertebrate? P. CarazoE. FontE. Desfilis Original Paper 01 January 2009 Pages: 463 - 470
The effect of development and individual differences in pointing comprehension of dogs Márta GácsiEdina KaraÁdám Miklósi Original Paper 07 January 2009 Pages: 471 - 479
Cross-fostering diminishes song discrimination in zebra finches (Taeniopygia guttata) Dana L. M. CampbellMark E. Hauber Original Paper 07 January 2009 Pages: 481 - 490
Navigating two-dimensional mazes: chimpanzees (Pan troglodytes) and capuchins (Cebus apella sp.) profit from experience differently Dorothy M. FragaszyErica KennedyWilliam Hopkins Original Paper 16 January 2009 Pages: 491 - 504
Does inequity aversion depend on a frustration effect? A test with capuchin monkeys (Cebus apella) Alan SilberbergLara CrescimbeneElisabetta Visalberghi Original Paper 28 January 2009 Pages: 505 - 509
Local rather than global processing of visual arrays in numerosity discrimination by pigeons (Columba livia) Jacky EmmertonJennifer C. Renner Original Paper 30 January 2009 Pages: 511 - 526
Gestural communication of the gorilla (Gorilla gorilla): repertoire, intentionality and possible origins Emilie GentyThomas BreuerRichard W. Byrne Original Paper Open access 01 February 2009 Pages: 527 - 546
