The Gibbon Journal: Fifth issue available


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Thomas Geissmann, Gibbon Research Lab., Zürich

May 2009

The fifth issue of the Gibbon Journal is available now. It can be downloaded in PDF-format from the website of the Gibbon Conservation Alliance ( The Gibbon Journal publishes original papers in English or German on all aspects of gibbon natural history. It is distributed electronically and published annually by the Gibbon Conservation Alliance.

Gibbon Journal No. 5: Cover Articles from the Gibbon Journal Issue No. 5 (May 2009), 100 pages:

Simon M. Cutting:
Gabriella's gibbon

Thomas Geissmann, Mark Grindley, Frank Momberg, Ngwe Lwin, and Saw Moses:
Hoolock gibbon and biodiversity survey and training in southern Rakhine Yoma, Myanmar

Jeff Brown:
Status of the western black crested gibbon (Nomascus concolor) in the Nam Ha National Protected Area, Lao PDR

Ni Qingyong and Jiang Xuelong:
Crested gibbons in southeastern Yunnan, China: Status and conservation

Fan Peng-Fei and Huo Sheng:
The northern white-cheeked gibbon (Nomascus leucogenys) is on the edge of extinction in China

Thomas Geissmann:
Door slamming: Tool-use by a captive white-handed gibbon (Hylobates lar)

Thomas Geissmann and Gustl Anzenberger:
Hormonal correlates of the ovarian cycle in the yellow-cheeked crested gibbon (Nomascus gabriellae), and a review of ovarian cycles in gibbons (Hylobatidae)

Michelle Rafacz, Sue Margulis, Rachel Santymire:
Comparing the role of androgens in paternal care between gibbon species

Thomas Geissmann, Katja Geschke and Barbara J. Blanchard:
Longevity in gibbons (Hylobatidae)


Gibbon Conservation Alliance
Anthropological Institute
University Zürich-Irchel
Winterthurerstrasse 190
CH-8057 Zürich, Switzerland



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