First occurrence of twins in provisioned free-ranging Tibetan macaques (Macaca thibetana) at Huangshan, China Dongpo XiaJinhua LiYong Zhu News and Perspectives 18 September 2011 Pages: 1 - 5
A photogrammetric method to evaluate nutritional status without capture in habituated free-ranging Japanese macaques (Macaca fuscata): a pilot study Hiroyuki KuritaTakafumi SuzumuraYuzuru Hamada News and Perspectives 05 November 2011 Pages: 7 - 11
Inter-individual relationships in proboscis monkeys: a preliminary comparison with other non-human primates Ikki MatsudaAugustine TuugaTakeshi Furuichi Original Article 20 July 2011 Pages: 13 - 23
Tubular anomalous bones found in both thighs of a long-tailed macaque (Macaca fascicularis) Yuzuru HamadaJunmei SawadaByung-Hwa Hyun Original Article 23 June 2011 Pages: 25 - 30
Intergroup variation in stable isotope ratios reflects anthropogenic impact on the Barbary macaques (Macaca sylvanus) of Gibraltar Mark R. SchurrAgustín FuentesEric Shaw Original Article 01 September 2011 Pages: 31 - 40
Inefficient use of inverted pendulum mechanism during quadrupedal walking in the Japanese macaque Naomichi OgiharaHaruyuki MakishimaMasato Nakatsukasa Original Article 27 August 2011 Pages: 41 - 48
Age related variation in male–male relationships in wild spider monkeys (Ateles geoffroyi yucatanensis) Colleen M. SchaffnerKathy Y. SlaterFilippo Aureli Original Article 01 September 2011 Pages: 49 - 56
Patch depletion behavior differs between sympatric folivorous primates Kaia J. TombakAndrea J. ReidRafael Reyna-Hurtado Original Article 10 September 2011 Pages: 57 - 64
Use of water sources by buffy-headed marmosets (Callithrix flaviceps) at two sites in the Brazilian Atlantic Forest Stephen F. FerrariRenato R. Hilário Original Article 07 October 2011 Pages: 65 - 70
Stone handling behavior in rhesus macaques (Macaca mulatta), a behavioral propensity for solitary object play shared with Japanese macaques Charmalie A. D. NahallageMichael A. Huffman Original Article 30 October 2011 Pages: 71 - 78
Occurrence of infection by Platynosomum illiciens (Braun, 1901) in captive neotropical primates Klena S. M. SilvaReinaldo J. SilvaWashington L. A. Pereira Original Article 10 November 2011 Pages: 79 - 82
A priori assumptions about characters as a cause of incongruence between molecular and morphological hypotheses of primate interrelationships Matthew A. TornowRandall R. Skelton Original Article 08 November 2011 Pages: 83 - 96
Interspecific territoriality in gibbons (Hylobates lar and H. pileatus) and its effects on the dynamics of interspecies contact zones Udomlux SuwanvechoWarren Y. Brockelman Original Article 30 November 2011 Pages: 97 - 108
Tetsuro Matsuzawa, Tatyana Humle, Yukimaru Sugiyama (eds.): The Chimpanzees of Bossou and Nimba William C. McGrew Book Review 28 October 2011 Pages: 109 - 111