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The site was identified as important in 2011 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species'):

Species	Current IUCN Red List Category	Season	Year(s)	Population estimate at site	IBA criteria met
Eurasian Eagle-owl Bubo bubo	LC	resident	2000	min 11 breeding pairs	C6
Egyptian Vulture Neophron percnopterus	EN	breeding	2008	9-11 breeding pairs	A1, C1, C2, C6
Golden Eagle Aquila chrysaetos	LC	resident	2008	8-9 breeding pairs	C6
Bonelli's Eagle Aquila fasciata	LC	resident	2009	1 breeding pairs	C6
Peregrine Falcon Falco peregrinus	LC	resident	2008	6-7 breeding pairs	C6
Red-billed Chough Pyrrhocorax pyrrhocorax	LC	resident	2000	min 150 breeding pairs	B2, C2, C6

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2011).

Protected area (PA)	PA designation	PA area (ha)	Relationship of PA with IBA	Overlap of PA with IBA (ha)
Valderejo-Sobrón-Árcenako mendilerroa / Valderejo-Sobrón-Sierra de Árcena	Special Protection Area (Birds Directive)	6,816	protected area is adjacent to site	0
Valderejo-Sobrón-Árcenako mendilerroa / Valderejo-Sobrón-Sierra de Árcena	Site of Community Importance (Habitats Directive)	6,816	protected area is adjacent to site	0
Valderejo	Parque Natural	3,500	protected area is adjacent to site	0
Sotos y Riberas del Ebro	Zona de Especial Conservación de Importancia Comunitaria	1,704	protected area is adjacent to site	0
Sotos y Riberas del Ebro	Site of Community Importance (Habitats Directive)	1,704	protected area is adjacent to site	0
Sobrón	Site of Community Importance (Habitats Directive)	1,760	protected area is adjacent to site	0
Riberas Del Río Ebro y Afluentes	Site of Community Importance (Habitats Directive)	194	protected area overlaps with site	59
Obarenes-Sierra de Cantabria	Zona de Especial Conservación de Importancia Comunitaria	5,166	protected area overlaps with site	0
Obarenes-Sierra de Cantabria	Special Protection Area (Birds Directive)	5,166	protected area overlaps with site	3,225
Obarenes-Sierra de Cantabria	Site of Community Importance (Habitats Directive)	5,166	protected area overlaps with site	0
Montes Obarenes-San Zadornil	Parque Natural	33,068	protected area overlaps with site	0
Montes Obarenes	Special Protection Area (Birds Directive)	43,074	protected area overlaps with site	20,111
Montes Obarenes	Site of Community Importance (Habitats Directive)	43,074	protected area overlaps with site	0
Montes de Miranda de Ebro y Ameyugo - ZEPA	Special Protection Area (Birds Directive)	6,654	protected area overlaps with site	5,431
Montes De Miranda De Ebro y Ameyugo	Site of Community Importance (Habitats Directive)	3,641	protected area overlaps with site	3,164
Ebro ibaia / Río Ebro	Site of Community Importance (Habitats Directive)	550	protected area overlaps with site	0
Arabako hegoaldeko mendilerroak / Sierras meridionales de Álava	Site of Community Importance (Habitats Directive)	18,515	protected area overlaps with site	0
Arabako hegoaldeko mendilerroak / Sierras meridionales de Álava	Special Protection Area (Birds Directive)	18,515	protected area overlaps with site	0

Habitat (IUCN level 1)	Habitat detail	Extent (% of site)
Forest	Broadleaved deciduous woodland, Alluvial and very wet forest, Broadleaved evergreen woodland	-
Shrubland	Scrub, Sclerophyllous scrub, garrigue and maquis	-
Rocky areas (eg. inland cliffs, mountain peaks)	Inland cliffs	-
Artificial/Terrestrial	Arable land, Perennial crops, orchards and groves	-

For more information about the IUCN Habitat classification, please click here.

Land-use	Extent (% of site)
agriculture	-
forestry	-
hunting	-
other	-
not utilised	-

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Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Obarenes mountains. Downloaded from http://datazone.birdlife.org/site/factsheet/obarenes-mountains-iba-spain on 29/11/2023.