Comparing infant and juvenile behavior in bonobos (Pan paniscus) and chimpanzees (Pan troglodytes): a preliminary study Mieke De LathouwersLinda Van Elsacker Original Article 09 May 2006 Pages: 287 - 293
Food transfers in immature wild western lowland gorillas (Gorilla gorilla gorilla) Angela A. NowellAlison W. Fletcher Original Article 05 April 2006 Pages: 294 - 299
The development of wild immature Sumatran orangutans (Pongo abelii) at Ketambe Gijsbertus G. J. van AdrichemSri Suci UtamiElisabeth H. M. Sterck Original Article 03 May 2006 Pages: 300 - 309
Inferring Pongo conservation units: a perspective based on microsatellite and mitochondrial DNA analyses Sreetharan KanthaswamyJennifer D. KurushimaDavid Glenn Smith Original Article 17 June 2006 Pages: 310 - 321
Unusual behaviour of captive-raised gibbons: implications for welfare Susan M. Cheyne Original Article 02 June 2006 Pages: 322 - 326
Survey of Hylobates agilis albibarbis in a logged peat-swamp forest: Sabangau catchment, Central Kalimantan Cara BuckleyK. A. I. NekarisSimon John Husson Original Article 31 May 2006 Pages: 327 - 335
Cheek pouch use in relation to interspecific competition and predator risk for three guenon monkeys (Cercopithecus spp.) Paul J. Buzzard Original Article 28 April 2006 Pages: 336 - 341
Social object play among young Japanese macaques (Macaca fuscata) in Arashiyama, Japan Masaki Shimada Original Article 20 April 2006 Pages: 342 - 349
Japanese macaques form a cross-modal representation of their own species in their first year of life Ikuma AdachiHiroko KuwahataTetsuro Matsuzawa Original Article 25 April 2006 Pages: 350 - 354
Seasonal variation and sex differences in the nutritional status in two local populations of wild Japanese macaques Yasuyuki MuroyamaHiroki KanamoriEiji Kitahara Original Article 25 May 2006 Pages: 355 - 364
Comparison of habitat quality and diet of Colobus vellerosus in forest fragments in Ghana Sarah N. P. WongTania L. SajPascale Sicotte Original Article 24 June 2006 Pages: 365 - 373
Social organization of Sichuan snub-nosed monkeys (Rhinopithecus roxellana) in the Qinling Mountains, Central China Peng ZhangKunio WatanabeChia L. Tan Original Article 20 April 2006 Pages: 374 - 382
Influence of group size on reproductive success of female ring-tailed lemurs: distinguishing between IGFC and PFC hypotheses Yukio TakahataNaoki KoyamaMasayuki Nakamichi Short Communication 28 April 2006 Pages: 383 - 387
Distribution of Assamese macaques (Macaca assamensis) in the Inner Himalayan region of Bhutan and their mtDNA diversity Yoshi KawamotoMitsuru AimiSherub Short Communication 03 May 2006 Pages: 388 - 392
Diurnal distribution of loud calls in sympatric wild indris (Indri indri) and ruffed lemurs (Varecia variegata): implications for call functions Thomas GeissmannThomas Mutschler Short Communication 31 May 2006 Pages: 393 - 396
Non-invasive blood sampling from primates using laboratory-bred blood-sucking bugs (Dipetalogaster maximus; Reduviidae, Heteroptera) Ruth ThomsenChristian C. Voigt Short Communication 02 June 2006 Pages: 397 - 400