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Udaj river valley
| Location | Ukraine, Poltava |
| Central coordinates | 32o 30.00' East 50o 20.00' North |
| IBA criteria | A1, A4i, B1i, B2, B3 |
| Area | 30,000 ha |
| Altitude | 99 - 134m |
| Year of IBA assessment | 2000 |
Ukranian Society for the Protection of Birds
Site description A natural wetland, comprising marshes and lakes in the lower reaches of the Uday valley, and dominated by reedbeds Phragmites.
Populations of IBA trigger species
| Species | Season | Period | Population estimate | Quality of estimate | IBA Criteria | IUCN Category |
|---|---|---|---|---|---|---|
| Great Bittern Botaurus stellaris | breeding | 1996 | 300-500 breeding pairs | medium | B2 | Least Concern |
| Purple Heron Ardea purpurea | breeding | 1996 | 50-100 breeding pairs | medium | B2 | Least Concern |
| Lesser Spotted Eagle Aquila pomarina | breeding | 1996 | 2-5 breeding pairs | poor | B2 | Least Concern |
| Booted Eagle Hieraaetus pennatus | breeding | 1996 | 1-5 breeding pairs | medium | B2 | Least Concern |
| Little Crake Porzana parva | breeding | 1996 | 500-1,000 breeding pairs | medium | B3 | Least Concern |
| Spotted Crake Porzana porzana | breeding | 1996 | 500-1,000 breeding pairs | medium | B3 | Least Concern |
| Whiskered Tern Chlidonias hybrida | breeding | 1996 | 50-100 breeding pairs | medium | B2 | Least Concern |
| White-winged Tern Chlidonias leucopterus | breeding | 1996 | 500-1,000 breeding pairs | medium | A4i, B1i | Least Concern |
| Black Tern Chlidonias niger | breeding | 1996 | 1,000-2,000 breeding pairs | medium | A4i, B1i, B2 | Least Concern |
| Aquatic Warbler Acrocephalus paludicola | breeding | 1999 | 250 breeding pairs | unknown | A1 | Vulnerable |
Habitats
| IUCN habitat | Habitat detail | Extent (% of site) |
|---|---|---|
| Forest | Alluvial and very wet forest; Mixed woodland; Native coniferous woodland | - |
| Wetlands (inland) | Fens, transition mires and springs; Rivers and streams; Standing freshwater; Water fringe vegetation | - |
Land use
| Land-use | Extent (% of site) |
|---|---|
| agriculture | - |
| forestry | - |
| hunting | - |
| nature conservation and research | - |
Protection status National None International None
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Recommended citation BirdLife International (2013) Important Bird Areas factsheet: Udaj river valley. Downloaded from http://www.birdlife.org on 21/05/2013
To provide new information to update this factsheet or to correct any errors, please email BirdLife
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