Data Zone
Year of most recent IBA criteria assessment: 2004
Populations of IBA trigger species| Species | Current IUCN Red List Category | Season | Year(s) of estimate | Population estimate | IBA Criteria Triggered |
|---|---|---|---|---|---|
| Swan Goose Anser cygnoid | VU | breeding | 1978-1981 | 40-150 breeding pairs | A1, A4i |
| Lesser White-fronted Goose Anser erythropus | VU | passage | 1979 | 14 individuals | A1, A4i |
| Common Goldeneye Bucephala clangula | LC | breeding | 2004 | present | A3, A4i |
| Scaly-sided Merganser Mergus squamatus | EN | breeding | 2004 | present | A1, A3 |
| Common Pochard Aythya ferina | VU | unknown | 2004 | present | A4i |
| Baikal Teal Sibirionetta formosa | LC | breeding | 2004 | present | A1 |
| Hooded Crane Grus monacha | VU | breeding | 1979-1980 | 1 breeding pairs | A1, A3 |
| Schrenck's Bittern Ixobrychus eurhythmus | LC | breeding | 2004 | present | A3, A4i |
| Blakiston's Eagle-owl Bubo blakistoni | EN | resident | 2004 | present | A1, A3 |
| Steller's Sea-eagle Haliaeetus pelagicus | VU | resident | 1978-1989 | 7-8 breeding pairs | A1, A3 |
Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.
For more information about the IBA assessment process and criteria please click here
| Protected Area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) |
|---|---|---|---|---|
| Udyl' | Zakaznik (Federal) | 100,400 | protected area contained by site | 0 |
| Ostrov Krachiy | Nature Monument | 5 | protected area overlaps with site | 0 |
| Lake Udyl & the mouths of the Bichi, Bitki & Pilda Rivers | Ramsar Site, Wetland of International Importance | 57,600 | protected area contained by site | 0 |
| IUCN Habitat | Habitat detail | Extent (% of site) |
|---|---|---|
| Wetlands (inland) | Freshwater lakes and pools, Riverine floodplains | - |
| Forest | Coniferous forest (temperate/boreal) | - |
| Shrubland | - |
Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Udyl' lake. Downloaded from
http://www.birdlife.org on 05/02/2023.
