Scientific Name: Anastomus oscitans
Malay Name: Upih-Siput Asia
Chinese Name: 钳嘴鹳
Range: Found from the Indian subcontinent to mainland Southeast Asia
Taxonomy: Monotypic.
Size: 68-81 cm
Identification: Adult has diagnostic dull yellowish-grey bill with open spaces between mandibles and long pinkish-grey legs. Body is mostly greyish-white with contrasting glossy black flight feathers and tail. Juvenile likes adult but body more brownish grey and bill has no spaces between mandibles.
Habitat: Freshwater marshes, flooded fields and padi fields.
Behaviour/Ecology: A small flock of 6 adults were observed feeding on Golden Apple Snails (an introduced species) at a flooded field along West Camp Road.
Local Status: Vagrant
Conservation Status: Least Concern (BirdLife International 2016)
Featured reports: Mar 2022, Jul 2023, Aug 2023, Sep 2023, Oct 2023, Dec 2023, Jan 2024, Feb 2024, Mar 2024, Apr 2024, May 2024, Jun 2024
Migrant bar chart (see more bar charts):
Conservation Status: IUCN Red List Page
Sound Recordings: xeno-canto Link
Wikipedia Entry: Wikipedia Link
eBird Species page: eBird (Asian Openbill)
References:
BirdLife International. (2016). Anastomus oscitans. The IUCN Red List of Threatened Species 2016. https://dx.doi.org/10.2305/IUCN.UK.2016-3.RLTS.T22697661A93628985.en. Accessed on 1 January 2023
Robson, C. (2014). Field guide to the birds of South-East Asia (Second Edition). Bloomsbury Publishing, London.
RECOMMENDED CITATION
Bird Society of Singapore. (n.d.). Asian Openbill. Retrieved on December 6, 2024 from https://singaporebirds.com/species/asian-openbill.