1. Factors affecting the drinking behavior of black howler monkeys (Alouatta pigra)

   • Pedro Américo D. Dias
   • Ariadna Rangel-Negrín
   • Domingo Canales-Espinosa

   News and Perspectives 21 September 2013 Pages: 1 - 5

   

2. Intracranial arachnoid cysts in a chimpanzee (Pan troglodytes)

   • Takako Miyabe-Nishiwaki
   • Takaaki Kaneko
   • Akichika Mikami

   News and Perspectives 26 September 2013 Pages: 7 - 12

   

3. Immature male gibbons produce female-specific songs

   • Hiroki Koda
   • Chisako Oyakawa
   • Satoshi Hasegawa

   News and Perspectives 25 October 2013 Pages: 13 - 17

   

4. Are rainforest owl monkeys cathemeral? Diurnal activity of black-headed owl monkeys, Aotus nigriceps, at Manu Biosphere Reserve, Peru

   • Shenaz N. Khimji
   • Giuseppe Donati

   News and Perspectives 08 November 2013 Pages: 19 - 24

   

5. Variation in hair δ¹³C and δ¹⁵N values in long-tailed macaques (Macaca fascicularis) from Singapore

   • Michael A. Schillaci
   • J. Margaret Castellini
   • Todd M. O’Hara

   Original Article 02 June 2013 Pages: 25 - 34

   

6. Termite fishing by wild chimpanzees: new data from Ugalla, western Tanzania

   • Fiona A. Stewart
   • Alex K. Piel

   Original Article 30 May 2013 Pages: 35 - 40

   

7. Plant selection for nest building by western lowland gorillas in Cameroon

   • Jacob Willie
   • Nikki Tagg
   • Luc Lens

   Original Article 04 June 2013 Pages: 41 - 49

   

8. What makes wild chimpanzees wake up at night?

   • Koichiro Zamma

   Original Article 02 July 2013 Pages: 51 - 57

   

9. Observations of a daytime birthing event in wild titi monkeys (Callicebus oenanthe): implications of the male parental role

   • Anneke M. DeLuycker

   Original Article 20 June 2013 Pages: 59 - 67

   

10. Intraspecies variation in dominance style of Macaca fuscata

    • Peng Zhang
    • Kunio Watanabe

    Original Article 25 June 2013 Pages: 69 - 79

    

11. The effect of solicitations on grooming exchanges among female Japanese macaques at Katsuyama

    • Masataka Ueno
    • Kazunori Yamada
    • Masayuki Nakamichi

    Original Article 16 July 2013 Pages: 81 - 87

    

12. Field immobilization for treatment of an unknown illness in a wild chimpanzee (Pan troglodytes schweinfurthii) at Gombe National Park, Tanzania: findings, challenges, and lessons learned

    • Elizabeth Lonsdorf
    • Dominic Travis
    • Anthony Collins

    Original Article 20 July 2013 Pages: 89 - 99

    

13. Contrasting demographic histories of the neighboring bonobo and chimpanzee

    • Christina Hvilsom
    • Frands Carlsen
    • Hans R. Siegismund

    Original Article 27 August 2013 Pages: 101 - 112

    

14. Response facilitation in the four great apes: is there a role for empathy?

    • Federica Amici
    • Filippo Aureli
    • Josep Call

    Original Article 24 August 2013 Pages: 113 - 118

    

15. Behavioral correlates of extra-pair copulation in Indri indri

    • Giovanna Bonadonna
    • Valeria Torti
    • Cristina Giacoma

    Original Article 07 August 2013 Pages: 119 - 123

16. Niche separation of sympatric macaques, Macaca assamensis and M. mulatta, in limestone habitats of Nonggang, China

    • Qihai Zhou
    • Hua Wei
    • Chengming Huang

    Original Article 23 October 2013 Pages: 125 - 137

    

17. Welfare based primate rehabilitation as a potential conservation strategy: does it measure up?

    • Amanda J. Guy
    • Darren Curnoe
    • Peter B. Banks

    Original Article 17 October 2013 Pages: 139 - 147

    

18. Claudio Carere, Dario Maestripieri (eds.): Animal personalities: behavior, physiology, and evolution

    • Miho Inoue-Murayama

    Book Review 18 October 2013 Pages: 149 - 150

19. Eleanor Sterling, Nora Bynum, and Mary Blair (eds): Primate ecology and conservation

    • Yamato Tsuji

    Book Review 12 November 2013 Pages: 151 - 153