Members of the Gibbon Research Lab.

Address of the Gibbon Research Lab.

Dr. habil. Thomas Geissmann
Anthropological Institute
University Zürich-Irchel
Winterthurerstrasse 190
CH - 8057 Zürich / Switzerland

Phone: +41 - 44 - 635 54 24

or: +41 - 44 - 635 54 11





How to find us: click here

Current Members


Thomas Geissmann

Dr. habil. Thomas Geissmann
Anthropological Institute, University Zürich-Irchel, Switzerland
E-mail: thomas.geissmann@aim.uzh.ch
Websites:
www.gibbons.de and www.gibbons.de/art.html
Please support the Gibbon Conservation Alliance: www.gibbonconservation.org

Director of the Gibbon Research Lab.

Research 1980- ongoing:

Gibbon biology and conservation, primate communication, primate systematics.

Recent publications:
Geissmann, T., and Wandera, I. H. (2016). Wildlife of Uganda. 2nd edition. Lambula Wild Adventures, Entebbe, Uganda, 173 pp.

Geissmann, T. (2016). Gibbons, die singenden Menschenaffen. Welt der Tiere 2016 (2): 50-51.

Bryant, J. V., Gottelli, D., Zeng, X., Hong, X., Chan, B. P. L., Fellowes, J. R., Zhang, Y., Luo, J., Durrant, C., Geissmann, T., Chatterjee H. J., and Turvey S. T. (2016). Assessing current genetic status of the Hainan gibbon using historical and demographic baselines: implications for conservation management of species of extreme rarity. Molecular Ecology 25: 3540-3556.

Geissmann, T. (2014). Gibbons – The singing apes / Gibbons – Die singenden Menschenaffen. Anthropologisches Institut und Museum der Universität Zürich and Gibbon Conservation Alliance, Zürich, 48 pp. ISBN: 978-3-033-04475-3.

Geissmann, T., Grindley, M. E., Ngwe Lwin, Saw Soe Aung, Thet Naing Aung, Saw Blaw Htoo, and Momberg, F. (2013). The conservation status of hoolock gibbons in Myanmar. Gibbon Conservation Alliance, Zürich, Switzerland. xii + 157 pp. ISBN: 978-3-033-04358-9.

Liedigk, R., Yang, M., Jablonski, N. G., Momberg, F., Geissmann, T., Ngwe Lwin, Htin Hla, T., Liu, Z., Wong, B., Li, M., Long, Y., Zhang, Y.-P., Nadler, T., Zinner, D., Roos, C. (2012). Evolutionary history of the odd-nosed monkeys and the phylogenetic position of the newly described Myanmar snub-nosed monkey Rhinopithecus strykeri. PLoS ONE 7 (5): e37418, 9 pp.

For a comprehensive list of papers go here.

Curriculum vitae (PDF-format): download here.

Alumni




Jasmin Beyle
Institut für Umweltwissenschaften, Universität Koblenz-Landau, Germany

Diplomarbeit 2016:

Beyle, J. (2016). Der Einfluss des Alters der Parentalgeneration auf die Geschlechtsbildung ex-situ geborener Gibbons. Diplomarbeit, Institut für Umweltwissenschaften, Universität Koblenz-Landau, Campus Landau, vii + 62 pp.



Tanja Maly and Tobias Zimmermann
Anthropological Institute, University Zürich-Irchel, Switzerland

Forschungspraktikum Anthropologie 2012:

Self-covering in children



Saskia Rothe
Abteilung Didaktik der Biowissenschaften, Goethe-Universität Frankfurt, Frankfurt am Main, Germany

Staatsexamensarbeit 2012:

Rothe, S. (2012). Kommunikation bei Menschenaffen – Eine audiovisuelle Studie der long calls von Orang Utans im Frankfurter Zoo. Staatsexamensarbeit, Abteilung Didaktik der Biowissenschaften, Fachbereich 15, Fachdidaktik 2 (Biologie), Frankfurt am Main, 328 pp.

Elias Bader

Elias Bader
Anthropological Institute, University Zürich-Irchel, Switzerland

Forschungspraktikum Anthropologie 2011:

"We are being observed" – Interactions between pileated gibbons (Hylobates pileatus) and zoo visitors



Franziska Corradini & Kim Kaltenbach
Kantonsschule Olten, Switzerland

Naturwissenschaftliches Praktikum 2009:

Interaktionen zwischen Zoobesuchern und Gibbons im Zürcher Zoo



Enrico Boschi
Kantonsschule Olten, Switzerland

Maturaarbeit 2010:

Boschi, E. (2010). Selbstbedeckungsverhalten bei Primaten und Menschen. Maturaarbeit, Kantonsschule Olten, 24 pp.

Simon Fuchs

Simon Fuchs
Geographical Institute, University Zürich-Irchel, Switzerland

Master's thesis 2007-2012:
Fuchs, S. (2012). Die Gesangsdiversität und Taxonomie der Schopfgibbons (Gattung Nomascus) im zentralen Ost-Kambodscha [The vocal diversity and taxonomy of the crested gibbons (genus Nomascus) in central eastern Cambodia.]. Diplomarbeit, Geographisches Institut Universität Zürich, xi + 118 pp.

Sandrine N. Dam

Sandrine N. Dam
Dipartimento di Biologia Animale e dell'Uomo, Università "La Sapienza" di Roma, Italy

Master's thesis 2005-2007:
The duet song of the hoolock gibbon (Bunopithecus hoolock)

Publications:
Dam, S. N. (2006). A short study on wild hoolock gibbons (Hoolock hoolock) in Assam and Bangladesh. Gibbon Journal 2: 40-47.

Judith J. G. M. van der Loo

Judith J. G. M. van der Loo
Institute of food, agricultural and horticultural sectors, HAS Den Bosch University of Professional Education, The Netherlands

Bachelor's thesis 2007:
Van Der Loo, J. J. G. M., and Nouwen, K. J. J. M. (2007). Pair bonding in captive pileated gibbons (Hylobates pileatus), Bachelor's thesis, Animal Husbandry/Animal Health and Care, University of applied science, HAS Den Bosch University, The Netherlands. 38 pp.

Kim Nouwen

Kim Nouwen
Institute of food, agricultural and horticultural sectors, HAS Den Bosch University of Professional Education, The Netherlands

Bachelor's thesis 2007:
Van Der Loo, J. J. G. M., and Nouwen, K. J. J. M. (2007). Pair bonding in captive pileated gibbons (Hylobates pileatus), Bachelor's thesis, Animal Husbandry/Animal Health and Care, University of applied science, HAS Den Bosch University, The Netherlands. 38 pp.

Julia Ruppell

Julia C. Ruppell
Anthropology, Portland State University, U.S.A.

Master's thesis 2006-2007:
Ruppell, J. (2007). The vocal diversity of Nomascus in Vietnam and Laos, Master's thesis, Anthropology, Portland State University. vi+81 pp.

Publications:
Ruppell, J. C. (2010). Vocal diversity and taxonomy of Nomascus in central Vietnam and southern Laos. International Journal of Primatology 31: 73-94.

Ruppell, J. (2008). The gibbons of Pu Mat National Park in Vietnam. Gibbon Journal 4: 39-45.

Ruppell, J. (2007). The gibbons of Phong Nha-Ke Bang, National Park in Vietnam. Gibbon Journal 3: 50-55.

Melissa S. Waller

Melissa S. Waller
Oxford Brookes University, U.K.

Master's thesis 2005:
Waller, M. S. (2005). Vocal diversity of male Kloss's gibbons (Hylobates klossii) in the Mentawai islands, Indonesia. M.Sc. thesis in Primate Conservation, Oxford Brookes University, U.K., viii + 51 pp.

Publications:
Keith, S. A., Waller, M. S., and Geissmann, T. (2009). Vocal diversity of Kloss's gibbons (Hylobates klossii) in the Mentawai Islands, Indonesia. In Lappan, S. M., and Whittacker, D. (eds.) The gibbons: New perspectives on small ape socioecology and population biology, Springer, New York, pp. 51-71.

Waller, M. S. (2006). Rain and Kloss's gibbons: A travelogue from the Mentawai islands in Indonesia. Gibbon Journal 2: 25-28.

Sally A. Keith

Sally A. Keith
Oxford Brookes University, U.K.

Master's thesis 2005:
Keith, S. A. (2005). Vocal diversity of female Kloss's gibbons (Hylobates klossii) in the Mentawai islands, Indonesia. M.Sc. thesis in Primate Conservation, Oxford Brookes University, U.K., x + 85 pp.

Publications:
Keith, S. A., Waller, M. S., and Geissmann, T. (2009). Vocal diversity of Kloss’s gibbons (Hylobates klossii) in the Mentawai Islands, Indonesia. In Lappan, S. M., and Whittacker, D. (eds.) The gibbons: New perspectives on small ape socioecology and population biology, Springer, New York, pp. 51-71.

Keith, S. A. (2006). Conservation status of the Kloss's gibbon (Hylobates klossii) in the Mentawai Islands, Indonesia. Gibbon Journal 2: 29-32.

Andrea About

Andrea About
Anthropological Institute, University Zürich-Irchel, Switzerland

Diplomarbeit 2004-2005:
Partner distance, pair bonds and duet songs in siamangs

Rasmus Heller

Rasmus Heller
Copenhagen University, Denmark

Master's thesis 2004-2005:
Vocal diversity of Indonesian agile gibbons (Hylobates agilis)

Andrea von Allmen

Andrea von Allmen
Vertebrate Lab., Zoologisches Institut, Universität Basel, Switzerland

Diplomarbeit 2004-2005:
von Allmen, A. (2005). Soziale Kommunikation bei Schopfgibbons (Gattung Nomascus) in zoologischen Gärten [Social communication in crested gibbons (genus Nomascus) kept in zoos]. Diploma thesis, Zoological Insitute, University Basel and Anthropological Institute, University Zürich-Irchel, Switzerland, 76 pp.

Publications:
von Allmen, A., and Geissmann, T. (2010). Soziale Kommunikation bei Schopfgibbons (Gattung Nomascus) in zoologischen Gärten. In Bürgin, T., and Straub, J. O. (eds.) Festschrift zum 70. Geburtstag von Prof. Dr. David Gaudenz Senn, T. Bürgin and J. O. Straub, St. Gallen and Allschwil, pp. 7-16 (German text).


von Allmen, A. (2006). Soziale Kommunikation bei Schopfgibbons (Gattung Nomascus) in zoologischen Gärten. Gibbon Journal 2: 48-49 (German text).

Geissmann, T., Traber, S., and von Allmen, A. (2006). Das Nangunhe-Naturreservat, Provinz Yunnan, China: Ein Projektbericht [Nangunhe Nature Reserve, Yunnan Province, China: A project report]. Gibbon Journal 2: 14-17 (German text, English summary).

von Allmen, A., and Geissmann, T. (2005). La communication sociale des gibbons concolor (Genre Nomascus) dans les jardins zoologiques. In: Primatologie et préservation de la biodiversité. Programme, résumés, participants. XVIIIe Colloque de la Société Francophone de Primatologie, 19-21 Octobre 2005, Besançon, France, p. 26.


Janet de Vries

Janet de Vries
Vertebrate Lab., Zoologisches Institut, Universität Basel, Switzerland

Diplomarbeit 2004-2005:
de Vries, J. (2004). A white-cheeked crested gibbon ethogram and a comparison between siamang (Symphalangus syndactylus) and white-cheeked crested gibbon (Nomascus leucogenys), Bachelor's thesis, Van Hall Institute, Leeuwarden, The Netherlands, ii+64 pp.

Roger Konrad

Roger Konrad
Anthropological Institute, University Zürich-Irchel, Switzerland

Diplomarbeit 2002-2004:
Konrad, R. (2004). Vocal diversity and taxonomy of crested gibbons (genus Nomascus) in Cambodia. Diploma thesis, Anthropological Institute, Zürich University, 94 pp.

Publications:
Konrad, R., and Geissmann, T. (2007). Menschenrechte für Gibbons? Versuche mit Menschenaffen [Human rights for gibbons? Experiments with apes]. Gibbon Journal 3: 16-22 (German text, English summary).

Konrad, R., and Geissmann, T. (2006). Vocal diversity and taxonomy of Nomascus in Cambodia. International Journal of Primatology 27: 713-745.

Konrad, R. (2005). Auf Stimmenfang in Kambodscha: Ein Reisebericht. Gibbon Journal 1: 15-17 (German text, English abstract).

Konrad, R. (2005). Die Gesangsdiversität und Taxonomie der Schopfgibbons (Gattung Nomascus) in Kambodscha. Gibbon Journal 1: 23 (German abstract only).

Konrad, R. (2004). Die Gesangsdiversität und Taxonomie der Schopfgibbons (Gattung Nomascus) in Kambodscha. Bulletin der Schweizerischen Gesellschaft für Anthropologie / Bulletin de la Société Suisse d'Anthropologie 2004(2): 71-72 (German text).

Konrad, R., and Geissmann, T. (2004). Vocal diversity and taxonomy of crested gibbons (Nomascus spp.) in Cambodia. Folia Primatologica 75, Supplement 1: 288-289 (Abstract only).

Marina Davila Ross

Marina Davila Ross
Institute of Zoology, Tierärztliche Hochschule, Hannover, Germany

Diplomarbeit, 2002-2004:
Davila Ross, M. (2004). The long calls of wild orangutans: A phylogenetic approach. Diploma thesis, Institut für Zoologie, Tierärztliche Hochschule Hannover, 74 pp.

Laborpraktikum, 2000:
Hand-modulation of siamang song vocalizations

Publications:
Davila Ross, M., and Geissmann, T. (in press). Circadian long call distribution in wild orangutans. Primatologie (in press).

Davila Ross, M., and Geissmann, T. (2007). Call diversity of wild male orangutans: A phylogenetic approach. American Journal of Primatology 69: 305-324.

Davila Ross, M., and Geissmann, T. (2005). Orangutan long call diversity: A phylogenetic approach. Primate Report 72-1 (Special Issue, Dec. 2005): 17-18 (Abstract only).

Davila Ross, M., and Geissmann, T. (2004). Biphonation in orangutan long calls. Folia Primatologica 75, Supplement 1: 368-369 (Abstract only).

Arne Stuenkel

Arne Stuenkel
Institute of Zoology, Tierärztliche Hochschule, Hannover, Germany

Staatsexemensarbeit, 2002-2003:
Sünkel, A. (2003). Phylogenie der loud calls der asiatischen Languren (Presbytini). Staatsexamensarbeit, Institut für Zoologie, Tierärztliche Hochschule Hannover, 103 pp.

Arite Heuck

Arite Heuck
Institute of Zoology, Tierärztliche Hochschule, Hannover, Germany

Laborpraktikum, 2002:
Gesang eines Silbergibbonmännchens im Ragunan Zoo, Jakarta

Publications:
Geissmann, T.; Bohlen-Eyring, S., and Heuck, A. (2005). The male song of the Javan silvery gibbon (Hylobates moloch). Contributions to Zoology 74: 1-25.

Geissmann, T.; Bohlen-Eyring, S., and Heuck, A. (2004). The male song of the Javan silvery gibbon (Hylobates moloch). Folia Primatologica 75, Supplement 1: 266-267 (Abstract only).

Simone Rosenkranz

Simone Rosenkranz
Hamburg, Germany

Diplomarbeit 2001-2002:
Rosenkranz, S. (2002). Paarbindungsverhalten beim Gibbon (Hylobatidae): Eine vergleichende ethologische Studie im Zoo. Diploma thesis, Fachbereich Biologie, Universität Hamburg, 105 pp.

Livia Wittiger

Livia Wittiger
Freiburg, Germany

Staatsexemensarbeit, 2001-2002:
Wittiger, L. (2002). Die Long Calls der Callitrichidae: Ein Beitrag zu ihrer Phylogenie. Staatsexamensarbeit, Institut für Zoologie, Albert-Ludwigs-Universität Freiburg, 82 pp.

Susanne Eichler

Susanne Eichler
Wedemark, Germany

Diplomarbeit 2000-2002:
Eichler, S. (2002). Das Lautrepertoire der Schopfgibbons (Gattung Nomascus). Diploma thesis, Institut für Zoologie, Tierärztliche Hochschule Hannover, 112 pp.

Laborpraktikum, 1998:
Der Gesang des Weisswangenschopfgibbons im Zoo Hannover


Nicole Hagenah
Department of Zoology & Entomology, University of Pretoria, Pretoria 0002, South Africa

Laborpraktikum, 1999-2000:
Frühe Verhaltensentwicklung eines Weisswangen-Schopfgibbons (Nomascus leucogenys) im Zoo Hannover

Sylke Bohlen-Eyring

Sylke Bohlen-Eyring
Wettmar, Germany

Staatsexemensarbeit, 1998-2000:
Eyring, S. (2000). Der Männchengesang beim Silbergibbon (Hylobates moloch). Staatsexamensarbeit, Institut für Zoologie, Tierärztliche Hochschule Hannover, 82 pp.

Publications:
Geissmann, T.; Bohlen-Eyring, S., and Heuck, A. (2005). The male song of the Javan silvery gibbon (Hylobates moloch). Contributions to Zoology 74: 1-25.

Geissmann, T.; Bohlen-Eyring, S., and Heuck, A. (2004). The male song of the Javan silvery gibbon (Hylobates moloch). Folia Primatologica 75, Supplement 1: 266-267 (Abstract only).

Robert Dallmann

Robert Dallmann
Institute of Zoology, Tierärztliche Hochschule, Bünteweg 17, D-30559 Hannover, Germany
E-mail: robert@dallmanns.de

Staatsexemensarbeit, 1998-1999:
Dallmann, R. (1999). Die Gesangsvariabilität beim Silbergibbon (Hylobates moloch). Staatsexamensarbeit, Institut für Zoologie, Tierärztliche Hochschule Hannover, 92 pp.

Publications:
Dallmann, R., and Geissmann, T. (2009). Individual and geographical variability in the songs of wild silvery gibbons (Hylobates moloch) on Java, Indonesia. In Lappan, S. M., and Whittacker, D. (eds.) The gibbons: New perspectives on small ape socioecology and population biology, Springer, New York, pp. 91-110.

Geissmann, T., and Dallmann, R. (2002). Die Gesänge der Gibbons und die Evolution der Musik. Praxis der Naturwissenschaften - Biologie in der Schule 51(1): 21-29 (German text).

Geissmann, T.; Dallmann, R., and Pastorini, J. (2002). The Javan silvery gibbon (Hylobates moloch): Are there several subspecies? In: Caring for primates. Abstracts of the XIXth congress of the International Primatological Society, 4th-9th August, 2002, Beijing, China (p. 120). Beijing: Mammalogical Society of China.

Dallmann, R., and Geissmann, T. (2001). Different levels of variability in the female song of wild silvery gibbons (Hylobates moloch). Behaviour 138: 629-648.

Dallmann, R., and Geissmann, T. (2001). Different levels of variability in the female song of wild silvery gibbons Hylobates moloch. In: The XVIIIth congress of the International Primatological Society, Adelaide, 7-12 January 2001: Primates in the new millennium. Abstracts and programme (p. 127). Adelaide, South Australia.

Dallmann, R., and Geissmann, T. (2001). Individuality in the female songs of wild silvery gibbons (Hylobates moloch) on Java, Indonesia. Contributions to Zoology 70: 41-50.

Dallmann, R., and Geissmann, T. (2000). Individuality in the female songs of wild silvery gibbons (Hylobates moloch) of Java, Indonesia - Individualität in den Weibchengesängen wilder Silbergibbons (Hylobates moloch) auf Java, Indonesien. Folia Primatologica 4: 220 (Abstract only).

Almut Heine-Hold

Almut Heine-Hold
Hannover, Germany

Diplomarbeit, 1997-1998:
Hold, A. (1998). Das Verhaltensrepertoire des Weisswangen-Schopfgibbons (Hylobates leucogenys). Diploma thesis, Institut für Zoologie, Tierärztliche Hochschule Hannover, 114 pp.

Publications:
Heine, A., and Geissmann, T. (2000). Gibbon ethograms: What makes the difference? - Gibbon Ethogramme: Woher kommen die kleinen Unterschiede? Folia Primatologica 71: 228 (Abstract only).


Maren A. Bulheller
IInstitut für Tierhygiene, Tierschutz und Nutztierethologie, Bünteweg 17p, Hannover, Germany

Laborpraktikum 1997:
Sonagraphische Analyse des Schopfgibbongesangs (Nomascus).


Stephie Klein
Institut für Pathologie, Bünteweg 17, D-30559 Hannover, Germany

Laborpraktikum 1997:
Sonagraphische Analyse des Schopfgibbongesangs (Nomascus).


Christian Braendle
Laboratory for Development and Evolution, Department of Zoology, University Museum of Zoology, Downing Street, Cambridge CB2 3EJ, UK

Laborpraktikum 1993-1994:
Behavioural development of a pileated gibbon (Hylobates pileatus)

Publications:
Braendle, C., and Geissmann, T. (1997). Behavioural development of a pileated gibbon (Hylobates pileatus). International Zoo News 44(1): 4-16.

Geissmann, T., and Braendle, C. (1997). Helping behaviour in captive pileated gibbons (Hylobates pileatus). Folia Primatologica 68: 110-112.


Geraldine Domeniconi-dal Pra
Zürich, Switzerland

Semesterarbeit 1993:
Dal Pra, G. (1993). Development of twins siamangs (Hylobates syndactylus). Semester study, Dept. of Biology, Swiss Federal Institute, 37 pp.

Publications:
Dal Pra, G., and Geissmann, T. (1994). Behavioural development of twin siamangs (Hylobates syndactylus). Primates 35: 325-342.

Jan O. Fischer

Jan O. Fischer
Köln, Germany

Laborpraktikum 1989:
Group harmony in gibbons: Comparison between white-handed gibbon (Hylobates lar) and siamang (H. syndactylus).

Publications:
Fischer, J.O., and Geissmann, T. (1990). Group harmony in gibbons: Comparison between white-handed gibbon (Hylobates lar) and siamang (H. syndactylus). Primates 31: 481-494.

Fischer, J.O., and Geissmann, T. (1989). Group harmony in gibbons: Comparison between white-handed gibbon (Hylobates lar) and siamang (Hylobates syndactylus). Primate Report 25: 66-67 (Abstract only).



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