Data Zone
Taxonomic source(s)
AERC TAC. 2003. AERC TAC Checklist of bird taxa occurring in Western Palearctic region, 15th Draft. Available at: #http://www.aerc.eu/DOCS/Bird_taxa_of _the_WP15.xls#.
Cramp, S. and Simmons, K.E.L. (eds). 1977-1994. Handbook of the birds of Europe, the Middle East and Africa. The birds of the western Palearctic. Oxford University Press, Oxford.
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 |
|---|---|---|
| - | - | - |
| Year | Category | Criteria |
|---|---|---|
| 2018 | Least Concern | |
| 2016 | Least Concern | |
| 2012 | Least Concern | |
| 2009 | Least Concern | |
| 2008 | Least Concern | |
| 2004 | Least Concern | |
| 2000 | Lower Risk/Least Concern | |
| 1994 | Lower Risk/Least Concern | |
| 1988 | Near Threatened |
| Migratory status | full migrant | Forest dependency | Does not normally occur in forest |
| Land mass type | Average mass | - |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence breeding/resident (km2) | 5,570,000 | medium |
| Extent of Occurrence non-breeding (km2) | 5,290,000 | medium |
| Number of locations | - | |
| Severely Fragmented | - |
| Value | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| No. of mature individuals | poor | estimated | 2009 | |
| Population trend | Decreasing | suspected | - | |
| 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) | 11.4 | - | - | - |
Trend justification: The population has suffered a severe reduction in numbers owing to over-hunting, unsustainable levels of egg collecting and habitat destruction (del Hoyo et al. 1992).
| Country/Territory | Occurrence status | Presence | Resident | Breeding | Non-breeding | Passage |
|---|---|---|---|---|---|---|
| Afghanistan | N | Extant | Yes | |||
| Bangladesh | N | Extant | Yes | |||
| Bhutan | N | Extant | ||||
| Canada | I | Extant | ||||
| China (mainland) | N | Extant | ||||
| Guam (to USA) | V | Extant | ||||
| India | N | Extant | ||||
| Japan | V | Extant | ||||
| Kazakhstan | N | Extant | ||||
| Kyrgyzstan | N | Extant | Yes | |||
| Laos | V | Extant | ||||
| Micronesia, Federated States of | V | Extant | ||||
| Mongolia | N | Extant | Yes | |||
| Myanmar | N | Extant | Yes | |||
| Nepal | N | Extant | ||||
| Pakistan | N | Extant | ||||
| Palau | V | Extant | ||||
| Russia | N | Extant | Yes | |||
| Russia (Asian) | N | Extant | ||||
| Russia (Central Asian) | N | Extant | Yes | |||
| Spain | I | Extant | Yes | |||
| Tajikistan | N | Extant | Yes | |||
| Thailand | N | Extant | ||||
| Uzbekistan | N | Extant | ||||
| Vietnam | N | Extant |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Artificial/Aquatic & Marine | Artificial/Aquatic - Water Storage Areas (over 8ha) | suitable | non-breeding |
| Artificial/Terrestrial | Arable Land | major | non-breeding |
| Rocky areas (eg. inland cliffs, mountain peaks) | major | breeding | |
| Wetlands (inland) | Permanent Rivers/Streams/Creeks (includes waterfalls) | suitable | breeding |
| Altitude | 0 - 5000 m | Occasional altitudinal limits |
| 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 (2021) Species factsheet: Anser indicus. Downloaded from
http://www.birdlife.org on 25/10/2021.
Recommended citation for factsheets for more than one species: BirdLife International (2021) IUCN Red List for birds. Downloaded from
http://www.birdlife.org on 25/10/2021.
