Sequential responding to arabic numerals with wild cards by the chimpanzee (Pan troglodytes) M. TomonagaT. Matsuzawa Original article Pages: 1 - 11
Use of human-given cues by domestic dogs (Canis familiaris) and horses (Equus caballus) J. McKinleyT. D. Sambrook Original article Pages: 13 - 22
Cues that chimpanzees do and do not use to find hidden objects J. CallB. AgnettaM. Tomasello Original article Pages: 23 - 34
Matching of numerical symbols with number of responses by pigeons L. XiaM. SiemannJ. D. Delius Original article Pages: 35 - 43
Early tutoring and adult reproductive behaviour in female domestic canary (Serinus canaria) V. DeprazG. LeboucherM. Kreutzer Original article Pages: 45 - 51
Visual perception of biological motion in newly hatched chicks as revealed by an imprinting procedure L. RegolinL. TommasiG. Vallortigara Original article Pages: 53 - 60
Responses to mirror-image stimulation in jungle crows (Corvus macrorhynchos) T. KusayamaH. -J. BischofS. Watanabe Short communication Pages: 61 - 64
