• Summary
• Text account
• Data table and detailed info
• Map
• Reference and further resources

Year of most recent IBA criteria assessment: 2000

Populations of IBA trigger species

Species	Current IUCN Red List Category	Season	Year(s) of estimate	Population estimate	IBA Criteria Triggered
Spotted Crake Porzana porzana	LC	breeding	1996	500-1,000 breeding pairs	B3
Little Crake Zapornia parva	LC	breeding	1996	500-1,000 breeding pairs	B3
Eurasian Bittern Botaurus stellaris	LC	breeding	1996	300-500 breeding pairs	B2
Purple Heron Ardea purpurea	LC	breeding	1996	50-100 breeding pairs	B2
Whiskered Tern Chlidonias hybrida	LC	breeding	1996	50-100 breeding pairs	B2
White-winged Tern Chlidonias leucopterus	LC	breeding	1996	500-1,000 breeding pairs	A4i, B1i
Black Tern Chlidonias niger	LC	breeding	1996	1,000-2,000 breeding pairs	A4i, B1i, B2
Booted Eagle Hieraaetus pennatus	LC	breeding	1996	1-5 breeding pairs	B2
Lesser Spotted Eagle Clanga pomarina	LC	breeding	1996	2-5 breeding pairs	B2
Aquatic Warbler Acrocephalus paludicola	VU	breeding	1999	250 breeding pairs	A1

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)
Zhevak	Regional Zakaznik	314	protected area overlaps with site	0
Zaudaivs'kiy	Regional Zakaznik	234	protected area overlaps with site	0
Zaizds'kiy	Regional Zakaznik	1,450	protected area overlaps with site	0
Velikokruchans'kiy	Regional Zakaznik	90	protected area contained by site	0
Udaytsivs'kiy	Regional Zakaznik	1,040	protected area overlaps with site	0
Ryashkivs'kiy	Regional Zakaznik	425	protected area overlaps with site	0
Polivschina	Regional Zakaznik	1,112	protected area overlaps with site	0
Pisko-Udal's'kiy	Regional Zakaznik	289	protected area overlaps with site	0
Obichivs'kiy	Regional Zakaznik	1,038	protected area overlaps with site	0
Monastirische	Regional Zakaznik	733	protected area overlaps with site	0
Lisopark ostriv Masal's'kiy	Regional Nature Monument	47	protected area overlaps with site	0
Lelyakivs'ke	Regional Zakaznik	43	protected area overlaps with site	0
Kut	Regional Zakaznik	144	protected area overlaps with site	0
Kukvins'kiy	State Zakaznik	300	protected area overlaps with site	0
Kukvin	Zapovedne Urotchische	241	protected area overlaps with site	0
Kravchukove	Regional Zakaznik	172	protected area overlaps with site	0
Kharkivets'kiy	Regional Zakaznik	270	protected area overlaps with site	0
Gustins'kiy	Regional Zakaznik	857	protected area overlaps with site	0
Gurbintsivs'kiy	Regional Zakaznik	452	protected area overlaps with site	0
Gurbins'kiy	Regional Zakaznik	400	protected area overlaps with site	0
Dorogins'kiy	State Zakaznik	1,880	protected area overlaps with site	0
Digtyarivs'kiy	Regional Zakaznik	164	protected area overlaps with site	0
Deymanivs'kiy	State Zakaznik	622	protected area contained by site	0
Chervonoberezhzhya	State Zakaznik	805	protected area overlaps with site	0
Bunilivs'ke	Regional Zakaznik	1,370	protected area overlaps with site	0
Antonivs'ke	Regional Zakaznik	704	protected area overlaps with site	0

IUCN Habitat	Habitat detail	Extent (% of site)
Forest	Native coniferous woodland, Mixed woodland, Alluvial and very wet forest	-
Wetlands (inland)	Standing freshwater, Rivers and streams, Water fringe vegetation, Fens, transition mires and springs	-

For further information about the habitat classification please click here.

Land-use	Extent (% of site)
agriculture	-
forestry	-
hunting	-
nature conservation and research	-

For further information about the land use classification please click here.

---

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Udaj river valley. Downloaded from http://www.birdlife.org on 15/08/2022.