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. Volume 1: Non-passerines. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.
Critically Endangered | Endangered | Vulnerable |
---|---|---|
D | D | D1 |
Year | Category | Criteria |
---|---|---|
2018 | Critically Endangered | D |
2016 | Critically Endangered | D |
2012 | Critically Endangered | D |
2009 | Critically Endangered | D1 |
2008 | Critically Endangered | |
2004 | Critically Endangered | |
2000 | Critically Endangered | |
1996 | Critically Endangered | |
1994 | Critically Endangered | |
1988 | Threatened |
Migratory status | full migrant | Forest dependency | Does not normally occur in forest |
Land mass type |
Land-mass type - continent |
Average mass | - |
Estimate | Data quality | |
---|---|---|
Extent of Occurrence breeding/resident (km2) | 14 | |
Number of locations | - | |
Severely Fragmented | - |
Value | Data quality | Derivation | Year of estimate | |
---|---|---|---|---|
No. of mature individuals | 1-49 | poor | estimated | 2000 |
Population trend | Unknown | not applicable | - | |
Decline (3 years/1 generation past) | - | - | - | |
Decline (5 years/1 generation past) | - | - | - | |
Decline (10 years/1 generation past) | - | - | - | |
Decline (10 years/3 generation future) | - | - | - | |
Decline (10 years/3 generation past and future) | - | - | - | |
Number of subpopulations | - | - | - | |
Percentage in largest subpopulation | - | - | - | |
Generation length (yrs) | 10.9 | - | - | - |
Population justification: The population is likely to number fewer than 50 individuals and mature individuals.
Country/Territory | Occurrence status | Presence | Resident | Breeding | Non-breeding | Passage |
---|---|---|---|---|---|---|
China (mainland) | U | Extant | ||||
Japan | N | Extinct | Yes | |||
Russia | N | Extant | ||||
Russia (Asian) | N | Extant | ||||
South Korea | N | Extant |
Country/Territory | IBA Name |
---|---|
China (mainland) | Tumen River at Jingxin-Fangchuan |
Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
---|---|---|---|
Marine Neritic | Estuaries | major | non-breeding |
Wetlands (inland) | Permanent Rivers/Streams/Creeks (includes waterfalls) | major | breeding |
Altitude | Occasional altitudinal limits |
Threat (level 1) | Threat (level 2) | Impact and Stresses | |||||||
---|---|---|---|---|---|---|---|---|---|
Residential & commercial development | Commercial & industrial areas | Timing | Scope | Severity | Impact | ||||
Ongoing | Unknown | Unknown | Unknown | ||||||
|
Purpose | Primary form used | Life stage used | Source | Scale | Level | Timing |
---|---|---|---|---|---|---|
Food - human | - | - | Non-trivial | Recent | ||
Pets/display animals, horticulture | - | - | Non-trivial | Recent |
Recommended citation
BirdLife International (2023) Species factsheet: Tadorna cristata. Downloaded from
http://www.birdlife.org on 22/03/2023.
Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from
http://www.birdlife.org on 22/03/2023.