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

The site was identified as internationally important for bird conservation in 2004 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

Species	Red List	Season (year/s of estimate)	Size	IBA criteria
Western Capercaillie Tetrao urogallus	LC	resident (1994–2004)	15–20 males	C6
Common Crane Grus grus	LC	breeding (1994–2004)	20–25 pairs	C6
Eurasian Pygmy-owl Glaucidium passerinum	LC	resident (1994–2004)	15–20 pairs	C6
Boreal Owl Aegolius funereus	LC	resident (1994–2004)	5–15 pairs	C6
Black Woodpecker Dryocopus martius	LC	resident (1994–2004)	25–30 pairs	C6
Merlin Falco columbarius	LC	breeding (1994–2004)	2 pairs	C6

Year	Protected Area	Designation (management category)	% coverage of IBA
1999	Ances purvi un meži	Dabas liegums (IV)	87

Habitat	% of IBA	Habitat detail
Forest	63	Broadleaved deciduous woodland; Mixed woodland; Native coniferous woodland
Shrubland	21	Scrub
Grassland	3	Mesophile grasslands
Marine Coastal/Supratidal	major (>10)
Artificial/Terrestrial	minor (<10)	Other urban and industrial areas

Land use	% of IBA
forestry	25
tourism/recreation	20
urban/industrial/transport	10
agriculture	1
hunting	major (>10)
nature conservation and research	minor (<10)
military	-

---

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Irbe valley and Dizpurvs (Latvia). Downloaded from https://datazone.birdlife.org/site/factsheet/irbe-valley-and-dizpurvs-iba-latvia on 23/12/2024.