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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
Western Capercaillie Tetrao urogallus	LC	resident	2010	present	C6
Bearded Vulture Gypaetus barbatus	NT	resident	2009	2 breeding pairs	B2, C2, C6
Egyptian Vulture Neophron percnopterus	EN	breeding	2010	min 11 breeding pairs	A1, C1, C2, C6
Griffon Vulture Gyps fulvus	LC	resident	2010	min 414 breeding pairs	A4ii, B1iii, C2, C6
Black Woodpecker Dryocopus martius	LC	resident	2011	10-15 breeding pairs	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
1987	Foz de Iñarbe	Reserva Natural	1
1987	Gaztelu	Reserva Natural	<1
1987	Poche de Txintxurrenea	Reserva Natural	<1
1987	Foz de Iñarbe	Nature Reserve	1
1987	Foz de Gaztelu	Natural Reserve	<1
1990	Sierra de Artxuga; Zarikieta y Montes de Areta	Special Protection Area (Birds Directive)	62
1990	Arabarko	Special Protection Area (Birds Directive)	5
1991	Quejigo de Rala	Monumento Natural	-
1991	Enebro del Caserío Equiza	Monumento Natural	-
1999	Sierra de Artxuga; Zarikieta y Montes de Areta	Site of Community Importance (Habitats Directive)	75
1999	Arabarko	Site of Community Importance (Habitats Directive)	7
1999	Río Salazar	Site of Community Importance (Habitats Directive)	<1
1999	Ríos Eska y Biniés	Site of Community Importance (Habitats Directive)	<1
1999	Río Areta	Site of Community Importance (Habitats Directive)	<1

Habitat1	Habitat detail	% of IBA
Forest	Broadleaved deciduous woodland, Native coniferous woodland, Mixed woodland, Broadleaved evergreen woodland	40
Shrubland	Scrub, Heathland	40
Artificial/Terrestrial	Arable land	15

1. IUCN Habitat classification.

Land use	% of IBA
agriculture	90
hunting	80
forestry	40

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Areta, Archuba and Zariquieta mountain ranges (Spain). Downloaded from https://datazone.birdlife.org/site/factsheet/areta-archuba-and-zariquieta-mountain-ranges-iba-spain on 23/11/2024.