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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') at the site:

Species	Red List1	Season	Year(s)	Size	IBA criteria
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

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2011) may differ.

Year	Protected Area	Designation	% overlap with IBA
1990	Obarenes-Sierra de Cantabria	Special Protection Area (Birds Directive)	8
1998	Montes Obarenes	Site of Community Importance (Habitats Directive)	51
2000	Montes Obarenes	Special Protection Area (Birds Directive)	49
2000	Montes de Miranda de Ebro y Ameyugo - ZEPA	Special Protection Area (Birds Directive)	13
2000	Arabako hegoaldeko mendilerroak / Sierras meridionales de Álava	Special Protection Area (Birds Directive)	9
2000	Arabako hegoaldeko mendilerroak / Sierras meridionales de Álava	Site of Community Importance (Habitats Directive)	9
2000	Montes De Miranda De Ebro y Ameyugo	Site of Community Importance (Habitats Directive)	8
2000	Riberas Del Río Ebro y Afluentes	Site of Community Importance (Habitats Directive)	<1
2000	Ebro ibaia / Río Ebro	Site of Community Importance (Habitats Directive)	<1
2003	Obarenes-Sierra de Cantabria	Zona de Especial Conservación de Importancia Comunitaria	10
2006	Montes Obarenes-San Zadornil	Parque Natural	36
2014	Obarenes-Sierra de Cantabria	Site of Community Importance (Habitats Directive)	10

Habitat1	Habitat detail	% of IBA
Artificial/Terrestrial	Arable land, Perennial crops, orchards and groves	35
Shrubland	Scrub, Sclerophyllous scrub, garrigue and maquis	35
Forest	Broadleaved deciduous woodland, Alluvial and very wet forest, Broadleaved evergreen woodland	30
Rocky areas (eg. inland cliffs, mountain peaks)	Inland cliffs	10

1. IUCN Habitat classification.

Land use	% of IBA
hunting	65
agriculture	35
other	30
not utilised	14
forestry	7

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Obarenes mountains (Spain). Downloaded from https://datazone.birdlife.org/site/factsheet/obarenes-mountains-iba-spain on 23/11/2024.