1. Seed predation by bonobos (Pan paniscus) at Kokolopori, Democratic Republic of the Congo

   • Alexander V. Georgiev
   • Melissa Emery Thompson
   • Richard W. Wrangham

   News and Perspectives 10 August 2011 Pages: 309 - 314

2. Tool-use to obtain honey by chimpanzees at Bulindi: new record from Uganda

   • Matthew R. McLennan

   Original Article 03 June 2011 Pages: 315 - 322

   

3. Frequency of removal movements during social versus self-grooming among wild chimpanzees

   • Koichiro Zamma

   Original Article 23 August 2011 Pages: 323 - 328

   

4. Natural history of Camponotus ant-fishing by the M group chimpanzees at the Mahale Mountains National Park, Tanzania

   • Hitonaru Nishie

   Original Article 30 August 2011 Pages: 329 - 342

   

5. Possible organizational effect of sex steroids on the stabilization of manual preference in female common marmosets (Callithrix jacchus)

   • Bernadette Serra Rego
   • Maria Helena Constantino Spyrides
   • Maria Bernardete Cordeiro de Sousa

   Original Article 07 May 2011 Pages: 343 - 349

   

6. Feeding ecology and activity pattern of black-fronted titi monkeys (Callicebus nigrifrons) in a semideciduous tropical forest of southern Brazil

   • Christini Barbosa Caselli
   • Eleonore Zulnara Freire Setz

   Original Article 23 August 2011 Pages: 351 - 359

   

7. Social organization of a stable natal group of captive Guyanese squirrel monkeys (Saimiri sciureus sciureus)

   • Meredith J. Bashaw
   • Chelsea McIntyre
   • Nicole D. Salenetri

   Original Article 10 August 2011 Pages: 361 - 371

   

8. Copulation patterns in captive hamadryas baboons: a quantitative analysis

   • Florian Nitsch
   • Sabine Stueckle
   • Dietmar Zinner

   Original Article Open access 28 June 2011 Pages: 373 - 383

   

9. Infanticide by a male spectral tarsier (Tarsius spectrum)

   • Sharon Gursky-Doyen

   Original Article 19 August 2011 Pages: 385 - 389

10. Tamarind tree seed dispersal by ring-tailed lemurs

    • Anne S. Mertl-Millhollen
    • Kathryn Blumenfeld-Jones
    • Hantanirina Rasamimanana

    Original Article 01 June 2011 Pages: 391 - 396

11. Professor Toshisada Nishida, a pioneer and a leading scientist in Primatology

    • Editorial Office Primates

    In memoriam 16 September 2011 Pages: 397 - 398

12. The Primates 2011 Most-Cited Paper Award is conferred upon Dr. Colin A. Chapman

    Announcement 13 October 2011 Pages: 399 - 399

13. Acknowledgments

    Acknowledgements 13 October 2011 Pages: 401 - 402

14. Books Received

    Books Received 13 October 2011 Pages: 403 - 403