Nocturnal ranging by a diurnal primate: are ring-tailed lemurs (Lemur catta) cathemeral? Joyce A. Parga News and Perspectives 01 July 2011 Pages: 201 - 205
Do snakes represent the principal predatory threat to callitrichids? Fatal attack of a viper (Bothrops leucurus) on a common marmoset (Callithrix jacchus) in the Atlantic Forest of the Brazilian Northeast Stephen F. FerrariRaone Beltrão-Mendes News and Perspectives 16 July 2011 Pages: 207 - 209
Does home range use explain the relationship between group size and parasitism? A test with two sympatric species of howler monkeys Milagros González-HernándezPedro Américo D. DiasDomingo Canales-Espinosa News and Perspectives 24 May 2011 Pages: 211 - 216
Possible shift in macaque trophic level following a century of biodiversity loss in Singapore Luke Gibson News and Perspectives 25 May 2011 Pages: 217 - 220
Sleeping cluster patterns and retiring behaviors during winter in a free-ranging band of the Sichuan snub-nosed monkey Peng ZhangBao-guo LiXiao-guang Qi Original Article 25 February 2011 Pages: 221 - 228
Shape of, and body direction in, huddles of Japanese macaques (Macaca fuscata) in Arashiyama, Japan Hideshi OgawaKazuo Wada Original Article 29 March 2011 Pages: 229 - 235
Benefiting friends or dominants: prosocial choices mainly depend on rank position in long-tailed macaques (Macaca fascicularis) Jorg J. M. MassenInge J. A. F. LuytenElisabeth H. M. Sterck Original Article 18 March 2011 Pages: 237 - 247
Not without a fair fight: failed abductions of females in wild hamadryas baboons Mathew PinesLarissa Swedell Original Article 26 February 2011 Pages: 249 - 252
Can lemurs (Eulemur fulvus and E. macaco) use abstract representations of quantities to master the reverse-reward contingency task? Emilie GentyJean-Jacques Roeder Original Article 11 March 2011 Pages: 253 - 260
Potential distribution of Mexican primates: modeling the ecological niche with the maximum entropy algorithm Francisca Vidal-GarcíaJuan Carlos Serio-Silva Original Article 16 March 2011 Pages: 261 - 270
Social dynamics modify behavioural development in captive white-cheeked (Nomascus leucogenys) and silvery (Hylobates moloch) gibbons Belinda L. BurnsHelen M. DooleyDebra S. Judge Original Article 18 March 2011 Pages: 271 - 277
Capuchin monkeys (Cebus apella) modify their own behaviors according to a conspecific’s emotional expressions Yo MorimotoKazuo Fujita Original Article 30 March 2011 Pages: 279 - 286
Elizabeth V. Lonsdorf, Stephen R. Ross, and Tetsuro Matsuzawa (eds): The mind of the chimpanzee: ecological and experimental perspectives Volker Sommer Book Review 17 March 2011 Pages: 287 - 289
Professor Toshisada Nishida, a pioneer and a leading scientist in primatology In memoriam 18 August 2011 Pages: 301 - 307