1. Heritability of digit ratio (2D:4D) in rhesus macaques (Macaca mulatta)

   • Emma Nelson
   • Martin Voracek

   News and Perspectives 31 October 2009 Pages: 1 - 5

   

2. Preference for consonant music over dissonant music by an infant chimpanzee

   • Tasuku Sugimoto
   • Hiromi Kobayashi
   • Kazuhide Hashiya

   Original Article 22 July 2009 Pages: 7 - 12

   

3. The first case of dental flossing by a Japanese macaque (Macaca fuscata): implications for the determinants of behavioral innovation and the constraints on social transmission

   • Jean-Baptiste Leca
   • Noëlle Gunst
   • Michael A. Huffman

   Original Article 10 July 2009 Pages: 13 - 22

   

4. Locomotor evolution of Mesopithecus (Primates: Colobinae) from Greece: evidence from selected astragalar characters

   • Dionisios Youlatos
   • George D. Koufos

   Original Article 14 August 2009 Pages: 23 - 35

   

5. Of how much concern are the ‘least concern’ species? Distribution and conservation status of bonnet macaques, rhesus macaques and Hanuman langurs in Karnataka, India

   • Honnavalli N. Kumara
   • Shanthala Kumar
   • Mewa Singh

   Original Article 02 September 2009 Pages: 37 - 42

   

6. Behavioral modifications in northern bearded saki monkeys (Chiropotes satanas chiropotes) in forest fragments of central Amazonia

   • Sarah Ann Boyle
   • Andrew T. Smith

   Original Article 12 September 2009 Pages: 43 - 51

   

7. Genetic architecture of two red ruffed lemur (Varecia rubra) populations of Masoala National Park

   • Vololoniaina R. Razakamaharavo
   • Susie M. McGuire
   • Rick A. Brenneman

   Original Article 10 October 2009 Pages: 53 - 61

   

8. Visual preference in a human-reared agile gibbon (Hylobates agilis)

   • Masayuki Tanaka
   • Makiko Uchikoshi

   Original Article 31 October 2009 Pages: 63 - 67

   

9. Entamoeba histolytica and E. dispar infections in captive macaques (Macaca fascicularis) in the Philippines

   • Windell L. Rivera
   • John Anthony D. L. Yason
   • Davin Edric V. Adao

   Original Article 28 October 2009 Pages: 69 - 74

   

10. Stochastic variation in sex ratios in infant mortality rates due to small samples in provisioned Japanese macaque (Macaca fuscata) populations

    • Hiroyuki Kurita

    Short Communication 07 July 2009 Pages: 75 - 78

    

11. Third-party grooming in a captive chimpanzee group

    • Yvan I. Russell

    Short Communication 07 July 2009 Pages: 79 - 82

    

12. Infanticide following male takeover event in Verreaux’s sifaka (Propithecus verreauxi verreauxi)

    • Brandie L. Littlefield

    Short Communication 05 August 2009 Pages: 83 - 86

    

13. Coprophagy in wild bonobos (Pan paniscus) at Wamba in the Democratic Republic of the Congo: a possibly adaptive strategy?

    • Tetsuya Sakamaki

    Short Communication 31 October 2009 Pages: 87 - 90

14. Coalitions and male–male behavior in Alouatta palliata

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

    Short Communication 09 October 2009 Pages: 91 - 94