Successive reversal of concurrent discriminations by macaques (Macaca mulatta): proactive interference effects F. Robert Treichler Original Article 08 September 2004 Pages: 75 - 83
Chimpanzees’ (Pan troglodytes) use of gaze cues in object-choice tasks: different methods yield different results Jochen BarthJames E. ReauxDaniel J. Povinelli Original Article 22 September 2004 Pages: 84 - 92
Song copying by humpback whales: themes and variations Eduardo Mercado IIILouis M. HermanAdam A. Pack Original Article 15 October 2004 Pages: 93 - 102
Tool-use learning in Tonkean macaques (Macaca tonkeana) Ana Maria DucoingBernard Thierry Original Article 22 September 2004 Pages: 103 - 113
Foraging behaviour in domestic pigs (Sus scrofa): remembering and prioritizing food sites of different value S HeldJ BaumgartnerM Mendl Original Article 03 November 2004 Pages: 114 - 121
Detour behaviour in three species of birds: quails (Coturnix sp.), herring gulls (Larus cachinnans) and canaries (Serinus canaria) Paolo ZuccaFabrizio AntonelliGiorgio Vallortigara Original Article 24 September 2004 Pages: 122 - 128
Do chickens (Gallus gallus f. domestica) decompose visual figures? Christian W. WernerInga TiemannGerd Rehkämper Original Article 15 October 2004 Pages: 129 - 140
Configural/holistic processing or differential element versus compound similarity Thomas R. Zentall Commentary 22 September 2004 Pages: 141 - 142
