When play is a family business: adult play, hierarchy, and possible stress reduction in common marmosets Ivan NorsciaElisabetta Palagi News and Perspectives 25 November 2010 Pages: 101 - 104
Spizaetus hawk-eagles as predators of arboreal colobines S. D. FamV. Nijman News and Perspectives 22 February 2011 Pages: 105 - 110
Bonobo but not chimpanzee infants use socio-sexual contact with peers Vanessa WoodsBrian Hare Original Article 03 December 2010 Pages: 111 - 116
The anthropogenic environment lessens the intensity and prevalence of gastrointestinal parasites in Balinese long-tailed macaques (Macaca fascicularis) Kelly E. LaneConcerta HolleyAgustin Fuentes Original Article 17 December 2010 Pages: 117 - 128
The effect of SNP discovery method and sample size on estimation of population genetic data for Chinese and Indian rhesus macaques (Macaca mulatta) Jessica A. Satkoski TraskRipan S. MalhiDavid Glenn Smith Original Article 05 January 2011 Pages: 129 - 138
Influence of the landscape matrix on the abundance of arboreal primates in fragmented landscapes Gilberto Pozo-MontuyJuan Carlos Serio-SilvaYadira M. Bonilla-Sánchez Original Article 06 January 2011 Pages: 139 - 147
Drastic population decline and conservation prospects of roadside dark-bellied bonnet macaques (Macaca radiata radiata) of southern India Mewa SinghJoseph J. ErinjeryMridula Singh Original Article 15 February 2011 Pages: 149 - 154
Use of sleeping sites by a titi group (Callicebus coimbrai) in the Brazilian Atlantic Forest João Pedro Souza-AlvesIsadora P. FontesStephen F. Ferrari Original Article 11 February 2011 Pages: 155 - 161
Lead levels in long-tailed macaque (Macaca fascicularis) hair from Singapore Michael A. SchillaciBenjamin P. Y-H. LeeTodd M. O’Hara Original Article 16 February 2011 Pages: 163 - 170
The positional behavior of pygmy marmosets (Cebuella pygmaea) in northwestern Bolivia Colin Phillip Jackson Original Article 02 March 2011 Pages: 171 - 178
Reproductive failure, possible maternal infanticide, and cannibalism in wild moustached tamarins, Saguinus mystax Laurence CulotYvan Lledo-FerrerEckhard W. Heymann Original Article Open access 17 February 2011 Pages: 179 - 186
Dietary adaptations of temperate primates: comparisons of Japanese and Barbary macaques Goro HanyaNelly MénardKazuo Wada Original Article 22 February 2011 Pages: 187 - 198
Naofumi Nakagawa, Masayuki Nakamichi, Hideki Sugiura (eds): The Japanese Macaques S. Peter Henzi Book Review 18 January 2011 Pages: 199 - 200