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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
Grey Partridge Perdix perdix	LC	resident	2001	11-50 breeding pairs	C6
Rock Ptarmigan Lagopus muta	LC	resident	2009	min 10 breeding pairs	C6
Western Capercaillie Tetrao urogallus	LC	resident	2009	min 10 males	C6
Bearded Vulture Gypaetus barbatus	NT	non-breeding	2009	30-40 individuals	C6
Bearded Vulture Gypaetus barbatus	NT	resident	2009	min 11 breeding pairs	B2, C2, C6
Black Woodpecker Dryocopus martius	LC	resident	2009	10-15 breeding pairs	C6
Red-billed Chough Pyrrhocorax pyrrhocorax	LC	resident	2001	min 800 breeding pairs	B2, C2
Yellow-billed Chough Pyrrhocorax graculus	LC	resident	2009	present	A3
Wallcreeper Tichodroma muraria	LC	resident	2009	present	A3
Alpine Accentor Prunella collaris	LC	resident	2009	present	A3
White-winged Snowfinch Montifringilla nivalis	LC	resident	2009	present	A3
Citril Finch Carduelis citrinella	LC	resident	2009	present	A3

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
1918	Ordesa y Monte Perdido	Parque Nacional	35
1918	Ordesa y Monte Perdido	National Park	72
1966	Viñamala	National Game Reserve	34
1966	Los Circos	National Game Reserve	30
1977	Ordesa-Vinamala	UNESCO-MAB Biosphere Reserve	45
1987	Ordesa y Monte Perdido	Special Protection Area (Birds Directive)	35
1990	Glaciares Pirenaicos - Macizo de la Munia	Monumento Natural	<1
1997	Pyrénées - Mont Perdu	World Heritage Site (natural or mixed)	31
1997	Ordesa y Monte Perdido	Site of Community Importance (Habitats Directive)	36
1997	Río Cinca (Valle de Pineta)	Site of Community Importance (Habitats Directive)	<1
2000	Alto Valle del Cinca	Site of Community Importance (Habitats Directive)	33
2000	Cuenca del Río Airés	Site of Community Importance (Habitats Directive)	4
2000	Chistau	Site of Community Importance (Habitats Directive)	2
2000	Cuenca del Río Yesa	Site of Community Importance (Habitats Directive)	1
2000	Río Ara	Site of Community Importance (Habitats Directive)	1
2000	Cueva de Los Moros	Site of Community Importance (Habitats Directive)	-
2002	Alto Cinca	Special Protection Area (Birds Directive)	33
2007	Glaciares Pirenaicos - Macizo de Monte Perdido o de las Tres Sorores	Monumento Natural	2

Habitat1	Habitat detail	% of IBA
Grassland	Alpine, subalpine and boreal grassland	26
Rocky areas (eg. inland cliffs, mountain peaks)	Scree & boulders, Inland cliffs	26
Forest	Broadleaved deciduous woodland, Native coniferous woodland, Broadleaved evergreen woodland	-

1. IUCN Habitat classification.

Land use	% of IBA
tourism/recreation	26
agriculture	-
forestry	-
hunting	-
nature conservation and research	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Ordesa-Bielsa (Spain). Downloaded from https://datazone.birdlife.org/site/factsheet/ordesa-bielsa-iba-spain on 22/11/2024.