Visual search for orientation of faces by a chimpanzee (Pan troglodytes): face-specific upright superiority and the role of facial configural properties Masaki Tomonaga Original Article 13 September 2006 Pages: 1 - 12
Chimpanzees (Pan troglodytes) learn to act with other individuals in a cooperative task Satoshi HirataKohki Fuwa Original Article 11 November 2006 Pages: 13 - 21
Ant fishing by wild chimpanzees is not lateralised L. F. MarchantW. C. McGrew Original Article 15 November 2006 Pages: 22 - 26
Postglacial population expansion of Japanese macaques (Macaca fuscata) inferred from mitochondrial DNA phylogeography Yoshi KawamotoTakayoshi ShotakeShuhei Hayaishi Original Article 22 November 2006 Pages: 27 - 40
The breeding system of wild red ruffed lemurs (Varecia rubra): a preliminary report Natalie Vasey Original Article 23 September 2006 Pages: 41 - 54
Spider monkey, Muriqui and Woolly monkey relationships revisited Margarida Maria Celeira de LimaIracilda SampaioHoracio Schneider Original Article 28 September 2006 Pages: 55 - 63
Non-reproductive copulation behavior among Tibetan macaques (Macaca thibetana) at Huangshan, China Jinhua LiHuabao YinLizhi Zhou Original Article 23 September 2006 Pages: 64 - 72
Leaf-swallowing in Nigerian chimpanzees: evidence for assumed self-medication Andrew FowlerYianna KoutsioniVolker Sommer Short Communication 08 August 2006 Pages: 73 - 76
Bed and bed-site reuse by western lowland gorillas (Gorilla g. gorilla) in Moukalaba-Doudou National Park, Gabon Yuji IwataChieko Ando Short Communication 15 November 2006 Pages: 77 - 80
Sniffing behaviors in Mahale chimpanzees Akiko Matsumoto-OdaNobuyuki KutsukakeTakahisa Matsusaka Short Communication 27 July 2006 Pages: 81 - 85
