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/Least Concern | |
| 1988 | Lower Risk/Least Concern |
| Migratory status | nomadic | Forest dependency | Does not normally occur in forest |
| Land mass type | Average mass | - |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence breeding/resident (km2) | 14,000,000 | medium |
| Number of locations | - | |
| Severely Fragmented | - |
| Value | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| No. of mature individuals | poor | estimated | 2009 | |
| Population trend | Stable | 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) | 7.2 | - | - | - |
Trend justification: The overall population trend is stable, although some populations have unknown trends (Wetlands International 2006).
| Country/Territory | Occurrence status | Presence | Resident | Breeding | Non-breeding | Passage |
|---|---|---|---|---|---|---|
| Angola | N | Extant | ||||
| Botswana | N | Extant | ||||
| Burundi | N | Extant | ||||
| Cameroon | V | Extant | ||||
| Congo, The Democratic Republic of the | N | Extant | ||||
| Djibouti | N | Extant | ||||
| Eritrea | N | Extant | ||||
| Eswatini | N | Extant | ||||
| Ethiopia | N | Extant | ||||
| Kenya | N | Extant | ||||
| Lesotho | N | Extant | ||||
| Malawi | N | Extant | ||||
| Mozambique | N | Extant | ||||
| Namibia | N | Extant | ||||
| Rwanda | N | Extant | ||||
| Somalia | V | Extant | ||||
| South Africa | N | Extant | Yes | |||
| Sudan | U | Extant | ||||
| Tanzania | N | Extant | ||||
| Uganda | N | Extant | ||||
| Zambia | N | Extant | ||||
| Zimbabwe | N | Extant |
| Country/Territory | IBA Name |
|---|---|
| South Africa | Grasslands |
| South Africa | Barberspan and Leeupan |
| South Africa | Lake St Lucia and Mkuze Swamps |
| South Africa | De Hoop Nature Reserve |
| South Africa | Cape Whale Coast |
| South Africa | Blesbokspruit |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Artificial/Aquatic & Marine | Artificial/Aquatic - Salt Exploitation Sites | suitable | resident |
| Artificial/Aquatic & Marine | Artificial/Aquatic - Wastewater Treatment Areas | suitable | resident |
| Artificial/Aquatic & Marine | Artificial/Aquatic - Water Storage Areas (over 8ha) | suitable | resident |
| Grassland | Subtropical/Tropical Seasonally Wet/Flooded | suitable | resident |
| Marine Coastal/Supratidal | Coastal Brackish/Saline Lagoons/Marine Lakes | suitable | resident |
| Marine Neritic | Estuaries | suitable | resident |
| Wetlands (inland) | Bogs, Marshes, Swamps, Fens, Peatlands | suitable | resident |
| Wetlands (inland) | Permanent Freshwater Lakes (over 8ha) | suitable | resident |
| Wetlands (inland) | Permanent Freshwater Marshes/Pools (under 8ha) | suitable | resident |
| Wetlands (inland) | Permanent Rivers/Streams/Creeks (includes waterfalls) | suitable | resident |
| Wetlands (inland) | Permanent Saline, Brackish or Alkaline Lakes | suitable | resident |
| Wetlands (inland) | Permanent Saline, Brackish or Alkaline Marshes/Pools | suitable | resident |
| Wetlands (inland) | Seasonal/Intermittent Freshwater Lakes (over 8ha) | suitable | resident |
| Wetlands (inland) | Seasonal/Intermittent Freshwater Marshes/Pools (under 8ha) | suitable | resident |
| Wetlands (inland) | Seasonal/Intermittent Saline, Brackish or Alkaline Lakes and Flats | suitable | resident |
| Wetlands (inland) | Seasonal/Intermittent Saline, Brackish or Alkaline Marshes/Pools | suitable | resident |
| Altitude | 0 - 3890 m | Occasional altitudinal limits |
| Threat (level 1) | Threat (level 2) | Impact and Stresses | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Invasive and other problematic species, genes & diseases | Invasive non-native/alien species/diseases - Anas platyrhynchos | Timing | Scope | Severity | Impact | ||||
| Future | Majority (50-90%) | No decline | Low Impact: 3 | ||||||
|
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| Invasive and other problematic species, genes & diseases | Invasive non-native/alien species/diseases - Clostridium botulinum | Timing | Scope | Severity | Impact | ||||
| Future | Minority (<50%) | Rapid Declines | Low Impact: 4 | ||||||
|
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| Pollution | Domestic & urban waste water - Type Unknown/Unrecorded | Timing | Scope | Severity | Impact | ||||
| Ongoing | Minority (<50%) | Slow, Significant Declines | Low Impact: 5 | ||||||
|
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Recommended citation
BirdLife International (2021) Species factsheet: Anas undulata. Downloaded from
http://www.birdlife.org on 04/12/2021.
Recommended citation for factsheets for more than one species: BirdLife International (2021) IUCN Red List for birds. Downloaded from
http://www.birdlife.org on 04/12/2021.
