Leading a conspecific away from food in ravens (Corvus corax)? Thomas BugnyarKurt Kotrschal Original Article 10 September 2003 Pages: 69 - 76
Testing for social learning and imitation in common marmosets, Callithrix jacchus, using an artificial fruit Christine A. CaldwellAndrew Whiten Original Article 16 September 2003 Pages: 77 - 85
Long-term retention of the differential values of Arabic numerals by chimpanzees (Pan troglodytes) Michael J. Beran Original Article 18 September 2003 Pages: 86 - 92
Event memory and misinformation effects in a gorilla (Gorilla gorilla gorilla) Bennett L. SchwartzChristian A. MeissnerLeslie D. Frazier Original Article 02 October 2003 Pages: 93 - 100
Comparative and categorical spatial judgments in the monkey: “high” and “low” Antonio F. FortesHugo MerchantApostolos P. Georgopoulos Original Article 07 October 2003 Pages: 101 - 108
Global-feature classification can be acquired more rapidly than local-feature classification in both humans and pigeons Kazuhiro GotoA. J. WillsStephen E. G. Lea Original Article 11 October 2003 Pages: 109 - 113
Direct observations of pandanus-tool manufacture and use by a New Caledonian crow (Corvus moneduloides) Gavin R. HuntRussell D. Gray Original Article 28 November 2003 Pages: 114 - 120
Selection of tool diameter by New Caledonian crows Corvus moneduloides Jackie ChappellAlex Kacelnik Original Article 29 November 2003 Pages: 121 - 127
Visual discrimination of normal and drug induced behavior in quails (Coturnix coturnix japonica) Yumiko YamazakiNaomi ShinoharaShigeru Watanabe Short Communication 10 October 2003 Pages: 128 - 132
