Do infant Japanese macaques (Macaca fuscata) categorize objects without specific training? Chizuko MuraiMasaki TomonagaMasami K. Yamaguchi Original Article 19 September 2003 Pages: 1 - 6
Indices of environmental temperatures for primates in open habitats Russel A. HillTony WeingrillS. Peter Henzi Original Article 08 November 2003 Pages: 7 - 13
Survey of gorillas (Gorilla gorilla gorilla) and chimpanzees (Pan troglodytes troglodytes) in Southwestern Cameroon Adele MatthewsAndreas Matthews Original Article 29 October 2003 Pages: 15 - 24
New observations of ant-dipping techniques in wild chimpanzees at Bossou, Guinea Gen YamakoshiMasako Myowa-Yamakoshi Original Article 18 October 2003 Pages: 25 - 32
Survey of black howler (Alouatta pigra) and spider (Ateles geoffroyi) monkeys in the Mayan sites of Calakmul and Yaxchilán, Mexico and Tikal, Guatemala Alejandro EstradaLeandra LueckeMarleny Rosales Meda Original Article 29 October 2003 Pages: 33 - 39
Social communication in siamangs (Symphalangus syndactylus): use of gestures and facial expressions Katja LiebalSimone PikaMichael Tomasello Original Article 04 December 2003 Pages: 41 - 57
Sex differences in copulation attempts in wild bonobos at Wamba Takeshi FuruichiChie Hashimoto Short Communication 19 September 2003 Pages: 59 - 62
Age at first reproduction in philopatric female muriquis (Brachyteles arachnoides hypoxanthus) Waldney P. MartinsKaren B. Strier Short Communication 19 September 2003 Pages: 63 - 67
The effect of forest clear-cutting on habitat use in Sichuan snub-nosed monkey (Rhinopithecus roxellana) in Shennongjia Nature Reserve, China Yiming Li Short Communication 11 October 2003 Pages: 69 - 72
Baby-transfer and other interactions between its mother and grandmother in a captive social group of lowland gorillas Masayuki NakamichiApril SilldorffPeggy Sexton Short Communication 29 October 2003 Pages: 73 - 77
A.K. Gupta (ed): Non-human primates of India Hiroyuki Takemoto Book Review 07 November 2003 Pages: 79 - 80
