Giant Ibis Thaumatibis gigantea


An Dara. 2008. Agricultural expansion and its effects on breeding habitat of Giant Ibis Pseudibis gigantea in Kulen Promtep Wildlife Sanctuary, northern Cambodia. MSc Thesis, Tokyo University of Agriculture and Technology, Department of International Environmental and Agricultural Science.

Anon. 2003. Endangered species rediscovered in Yok Don National Park, Dak Lak province. The Babbler: BirdLife in Indochina 2(2): 12-13.

BirdLife International. 2001. Threatened birds of Asia: the BirdLife International Red Data Book. BirdLife International, Cambridge, U.K.

Claassen, A. H.; Ou, R. 2007. A stream and wetland survey of southwestern Phnom Prich Wildlife Sanctuary and adjacent areas, with a focus on large waterbirds. WWF Greater Mekong,Cambodia Country Programme., Phnom Penh.

Clements, T., Rainey, H., An, D., Rours, V., Tan, S., Thong, S., Sutherland, W.J. and Milner-Gulland, E.J. 2013. An evaluation of the effectiveness of a direct payment for biodiversity conservation: the bird nest protection program in the Northern Plains of Cambodia. Biological Conservation 157: 50-59.

Hance, J. 2012. Giant ibis discovered in new region of Cambodia. The Babbler 40: 16.

Keo, O. 2008. Ecology and conservation of the Giant Ibis Thaumatibis gigantea in Cambodia. BirdingASIA 9: 100-106.

Keo, O.; Collar, N. J.; Sutherland, W. J. 2009. Nest protectors provide a cost-effective means of increasing breeding success in Giant Ibis Thaumatibis gigantea. Bird Conservation International 19(1): 77-82.

Loveridge, R. and Ty, S. 2015. Ten-year species action plan for the Giant Ibis Thaumatibis gigantea in Cambodia. 2015-2025. Phnom Penh, Cambodia.

Sartori, C. 2013. Giant Ibis Transport become first BirdLife Species Champion in Cambodia. BirdLife International. Available at: (Accessed: 07/08/2015).

Sum, P. and Bou, V. 2012. Encouraging Community Involvement in the Conservation of White-shouldered Ibis in Lomphat Wildlife Sanctuary. Final Report to Chicago Board of Trade Endangered Species Fund. BirdLife International Cambodia Programme, Chicago Zoological Society.

Ty, S. 2013. Key factors potentially influencing the occurrence of the critically endangered Giant Ibis Thaumatibis gigantea during the breeding season (April to June) in Western Siem Pang proposed protected forest, Northeast Cambodia. Cambodian Journal of Natural History 2: 121.

Ty, S., Yav, N., Eames, J. C., Sum, P., Hong, Lina.,Thi S., Bou., V. and Loveridge, R. 2016. The first population census of the Critically Endangered giant ibis in Western Siem Pang, northeastern Cambodia. Cambodian Journal of Natural History 2016(1): 51–59.

WCS/FA. 2006. Threatened Species of the Seima Biodiversity Conservation Area. Wildlife Conservation Society - Cambodia Program, and Forestry Administration., Phnom Penh, Cambodia.

Wright, H.L., Collar, N.J., Lake, I.R., Vorsak, B. and Dolman, P.M. 2012. Foraging ecology of sympatric White-shouldered Ibis Pseudibis davisoni and Giant Ibis Thaumatibis gigantea in northern Cambodia. Forktail 28: 93-100.

Further resources

IUCN SSC Stork, Ibis and Spoonbill Specialist Group

Detailed species accounts from the Threatened birds of Asia: the BirdLife International Red Data Book (BirdLife International 2001).

Search for photos and videos, and hear sounds of this species from the Macaulay Library

Recommended citation
BirdLife International (2023) Species factsheet: Thaumatibis gigantea. Downloaded from on 03/12/2023.
Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from on 03/12/2023.