1. Into the night: camera traps reveal nocturnal activity in a presumptive diurnal primate, Rhinopithecus brelichi

   • Chia L. Tan
   • Yeqin Yang
   • Kefeng Niu

   News and Perspectives Open access 29 July 2012 Pages: 1 - 6

   

2. Social relationships of nulliparous young adult females beyond the ordinary age of the first birth in a free-ranging troop of Japanese macaques (Macaca fuscata)

   • Noriko Katsu
   • Kazunori Yamada
   • Masayuki Nakamichi

   News and Perspectives 28 August 2012 Pages: 7 - 11

   

3. Integration of a hand-reared chimpanzee (Pan troglodytes) infant into a social group of conspecifics

   • Maria Thunström
   • Tomas Persson
   • Mats Björklund

   News and Perspectives 14 August 2012 Pages: 13 - 19

   

4. Anxiety-related behavior of orphan chimpanzees (Pan troglodytes schweinfurthii) at Gombe National Park, Tanzania

   • Maria Botero
   • Suzanne E. MacDonald
   • Rowland S. Miller

   News and Perspectives 14 September 2012 Pages: 21 - 26

5. Identification of individual adult female Javan lutungs (Trachypithecus auratus sondaicus) by using patterns of dark pigmentation in the pubic area

   • Yamato Tsuji
   • Kanthi Arum Widayati
   • Kunio Watanabe

   News and Perspectives 18 November 2012 Pages: 27 - 31

   

6. Molecular evidence for the introgression between Hylobates lar and H. pileatus in the wild

   • Kazunari Matsudaira
   • Ulrich H. Reichard
   • Takafumi Ishida

   News and Perspectives 15 August 2012 Pages: 33 - 37

   

7. Singing by male and female Kloss gibbons (Hylobates klossii) in the Peleonan Forest, Siberut Island, Indonesia

   • Helen M. Dooley
   • Debra S. Judge
   • Lincoln H. Schmitt

   Original Article 02 September 2012 Pages: 39 - 48

8. The effect of urban and rural habitats and resource type on activity budgets of commensal rhesus macaques (Macaca mulatta) in Bangladesh

   • M. Firoj Jaman
   • Michael A. Huffman

   Original Article 18 September 2012 Pages: 49 - 59

   

9. Reproductive parameters of female orangutans (Pongo pygmaeus wurmbii) 1971–2011, a 40-year study at Tanjung Puting National Park, Central Kalimantan, Indonesia

   • Biruté Mary Galdikas
   • Alison Ashbury

   Original Article 04 October 2012 Pages: 61 - 72

10. Do chimpanzees (Pan troglodytes schweinfurthii) exhibit sleep related behaviors that minimize exposure to parasitic arthropods? A preliminary report on the possible anti-vector function of chimpanzee sleeping platforms

    • David R. Samson
    • Michael P. Muehlenbein
    • Kevin D. Hunt

    Original Article 26 September 2012 Pages: 73 - 80

    

11. Female parity, male aggression, and the Challenge Hypothesis in wild chimpanzees

    • Marissa E. Sobolewski
    • Janine L. Brown
    • John C. Mitani

    Original Article 25 October 2012 Pages: 81 - 88

    

12. Epidemiological study of zoonoses derived from humans in captive chimpanzees

    • Takanori Kooriyama
    • Michiko Okamoto
    • Takako Miyabe-Nishiwaki

    Original Article 14 August 2012 Pages: 89 - 98