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The site was identified as internationally important for bird conservation in 2011 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
Rock Partridge Alectoris graeca	NT	breeding (2001)	20–40 pairs	B2, C6
European Nightjar Caprimulgus europaeus	LC	breeding (2001–2010)	50–100 pairs	B2, C6
Eurasian Eagle-owl Bubo bubo	LC	breeding (2004–2011)	10–12 pairs	B2, C6
Short-toed Snake-eagle Circaetus gallicus	LC	breeding (1999–2010)	1–3 pairs	C6
Eurasian Wryneck Jynx torquilla	LC	breeding (2002–2010)	50–100 pairs	B2
Peregrine Falcon Falco peregrinus	LC	breeding (2005–2011)	7–9 pairs	C6
Woodlark Lullula arborea	LC	breeding (2002–2010)	500–800 pairs	B2, C6
Rufous-tailed Rock-thrush Monticola saxatilis	LC	breeding (2001–2010)	40–50 pairs	B2
Rock Bunting Emberiza cia	LC	breeding (2002–2010)	850–950 pairs	B2

Year	Protected Area	Designation (management category)	% coverage of IBA
1984	Nanos - južna in zahodna pobočja z vrhovi Pleše, Grmade in Ture	krajinski park (V)	2
1985	Južni obronki Trnovskega gozda	krajinski park (V)	4
1985	Lijak in Skozno, Kraški izvir in naravni most s spodmolom	naravni spomenik (III)	1
1985	Skalnica - območje gore z Marijinim svetiščem	naravni spomenik (III)	<1
1985	Vitovlje, Jezero za brestom	naravni spomenik (III)	<1
1987	Južni obronki Trnovskega gozda	krajinski park (V)	20
1987	Južni in zahodni obronki Nanosa	krajinski park (V)	11
1987	Hubelj - območje izvirov in fužine	naravni spomenik (III)	<1
1987	Tabor nad Črničami - območje z arheološkimi ostalinami, Taborom in sotesko Konjščak	naravni spomenik (III)	<1
1987	Otlica - naravno okno pod vasjo	naravni spomenik (III)	<1
1987	Selovec v Trnovskem gozdu - okamenine trdoživnjakov	naravni spomenik (III)	<1
1987	Vipava - območje jedra s spomeniki in znamenitostmi	naravni spomenik (III)	<1
1987	Kovk - okamenine trdoživnjakov	naravni spomenik (III)	-
1987	Sinji vrh - škraplje ob cesti	naravni spomenik (III)	-

Habitat	% of IBA	Habitat detail
Forest	-	Broadleaved deciduous woodland; Mixed woodland
Grassland	-	Mesophile grasslands; Steppes and dry calcareous grassland
Rocky areas (eg. inland cliffs, mountain peaks)	-	Inland cliffs; Scree & boulders
Shrubland	-	Scrub

Land use	% of IBA
tourism/recreation	-
rangeland/pastureland	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Vipavski rob (Slovenia). Downloaded from https://datazone.birdlife.org/site/factsheet/vipavski-rob-iba-slovenia on 23/12/2024.