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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	min 70 breeding pairs	C6
Rock Ptarmigan Lagopus muta	LC	resident	2009	35-40 breeding pairs	C6
Western Capercaillie Tetrao urogallus	LC	resident	2009	min 15 males	C6
Boreal Owl Aegolius funereus	LC	resident	2001	min 3 breeding pairs	C6
Bearded Vulture Gypaetus barbatus	NT	resident	2009	3 breeding pairs	B2, C2
Black Woodpecker Dryocopus martius	LC	resident	2001	min 20 breeding pairs	C6
Red-billed Chough Pyrrhocorax pyrrhocorax	LC	resident	2001	min 100 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
-	Posests - Maldeta	Nature Park	54
1966	Benasque	National Game Reserve	51
1990	Glaciares Pirenaicos - Macizo de la Maladeta o Montes Malditos	Monumento Natural	3
1990	Glaciares Pirenaicos - Macizo de Posets o Llardana	Monumento Natural	1
1990	Glaciares Pirenaicos - Macizo de Perdiguero	Monumento Natural	<1
1992	Capçalera de la Noguera Ribagorçana	Plan Especial de Protección (PEIN)	<1
1994	Posets - Maladeta	Special Protection Area (Birds Directive)	54
1994	Posets-Maladeta	Parque Natural	56
1997	Posets - Maladeta	Site of Community Importance (Habitats Directive)	57
2000	Río Ésera	Site of Community Importance (Habitats Directive)	2
2000	Río Isábena	Site of Community Importance (Habitats Directive)	1

Habitat1	Habitat detail	% of IBA
Grassland	Alpine, subalpine and boreal grassland	35
Rocky areas (eg. inland cliffs, mountain peaks)	Scree & boulders, Inland cliffs	30
Forest	Broadleaved deciduous woodland, Native coniferous woodland	20
Artificial/Terrestrial	Highly improved re-seeded landscapes	15

1. IUCN Habitat classification.

Land use	% of IBA
hunting	80
agriculture	40
tourism/recreation	15
forestry	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Posets-Maladeta (Spain). Downloaded from https://datazone.birdlife.org/site/factsheet/posets-maladeta-iba-spain on 22/11/2024.