Data Zone
Taxonomic source(s)
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A. and Fishpool, L.D.C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.
del Hoyo, J.; Collar, N. J.; Christie, D. A.; Elliott, A.; Fishpool, L. D. C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Barcelona, Spain and Cambridge UK: Lynx Edicions and BirdLife International.
| Critically Endangered | Endangered | Vulnerable |
|---|---|---|
| - | - | - |
| Year | Category | Criteria |
|---|---|---|
| 2016 | Least Concern | |
| 2012 | Least Concern | |
| 2009 | Least Concern | |
| 2008 | Least Concern | |
| 2004 | Least Concern | |
| 2000 | Lower Risk/Least Concern | |
| 1994 | Lower Risk/Near Threatened | |
| 1988 | Lower Risk/Least Concern |
| Migratory status | not a migrant | Forest dependency | does not normally occur in forest |
| Land-mass type | Average mass | - |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence (breeding/resident) | 7,080,000 km2 | |
| Extent of Occurrence (non-breeding) | 8,430,000 km2 | |
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | unknown | poor | estimated | 2009 |
| Population trend | unknown | - | - | - |
| Generation length | 12.3 years | - | - | - |
| Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
|---|---|---|---|---|---|---|
| Bangladesh | extant | native | yes | |||
| Bhutan | extant | uncertain | yes | |||
| Cambodia | extant | native | yes | |||
| India | extant | native | yes | |||
| Laos | extant | native | yes | |||
| Myanmar | extant | native | yes | |||
| Nepal | extant | native | yes | |||
| Pakistan | extant | native | yes | |||
| Sri Lanka | extant | native | yes | |||
| Thailand | extant | native | yes | |||
| Vietnam | extant | native | yes |
| Country/Territory | IBA Name |
|---|---|
| Cambodia | Ang Tropeang Thmor |
| Cambodia | Northern Santuk |
| Cambodia | Prek Toal |
| Cambodia | Stung Sen / Santuk / Baray |
| Cambodia | Veal Srongae |
| India | Chandaka - Dampara Wildlife Sanctuary |
| India | Danapur cantonment area |
| India | Jehanabad Administrative Area |
| India | Kaliveli Tank and Yeduyanthittu estuary |
| India | Kolleru Lake Wildlife Sanctuary |
| India | Kulik (Raiganj) Bird Sanctuary |
| India | Mangal Jodi |
| India | Mokama Taal (Barah) Wetlands |
| India | Veeranam Lake |
| India | Wild Ass Wildlife Sanctuary |
| Thailand | Bung Boraphet |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Artificial/Aquatic & Marine | Artificial/Aquatic - Canals and Drainage Channels, Ditches | suitable | resident |
| Artificial/Aquatic & Marine | Artificial/Aquatic - Seasonally Flooded Agricultural Land | suitable | resident |
| Artificial/Terrestrial | Arable Land | suitable | resident |
| Wetlands (inland) | Bogs, Marshes, Swamps, Fens, Peatlands | suitable | resident |
| Wetlands (inland) | Permanent Freshwater Lakes (over 8ha) | suitable | resident |
| Wetlands (inland) | Permanent Rivers/Streams/Creeks (includes waterfalls) | suitable | resident |
| Altitude | Occasional altitudinal limits |
Recommended citation
BirdLife International (2024) Species factsheet: Asian Openbill Anastomus oscitans. Downloaded from
https://datazone.birdlife.org/species/factsheet/asian-openbill-anastomus-oscitans on 23/11/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from
https://datazone.birdlife.org/species/search on 23/11/2024.