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The site was identified as internationally important for bird conservation in 2000 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 List	Season (year/s of estimate)	Size	IBA criteria
Grey Partridge Perdix perdix	LC	breeding (1991)	100–500 pairs	C6
Rock Ptarmigan Lagopus muta	LC	breeding (1991)	150–200 pairs	C6
Western Capercaillie Tetrao urogallus	LC	breeding (1991)	100–200 pairs	C6
Egyptian Vulture Neophron percnopterus	EN	breeding (1991)	3–4 pairs	B2, C6
Griffon Vulture Gyps fulvus	LC	winter (1991)	100–500 birds	B1iii, C2
Golden Eagle Aquila chrysaetos	LC	breeding (1991)	1–2 pairs	C6
Black Woodpecker Dryocopus martius	LC	breeding (1991)	50–100 pairs	C6
White-backed Woodpecker Dendrocopos leucotos	LC	breeding (1991)	10–50 pairs	C2, C6
Peregrine Falcon Falco peregrinus	LC	breeding (1991)	3–4 pairs	C6
Red-billed Chough Pyrrhocorax pyrrhocorax	LC	breeding (1991)	10–100 pairs	C6
Ortolan Bunting Emberiza hortulana	LC	breeding (1991)	10–20 pairs	C6

Year	Protected Area	Designation (management category)	% coverage of IBA
-	Parc National des Pyrenees + IBAs, AN09 and MP02	National Park (-)	27
1967	Pyrénées	Parc national, zone cœur (II)	23
1967	Pyrénées [aire d'adhésion]	Parc national, aire d'adhésion (V)	17

Habitat	% of IBA	Habitat detail
Forest	32	Broadleaved deciduous woodland; Native coniferous woodland; Mixed woodland
Artificial/Terrestrial	21	Highly improved re-seeded landscapes; Arable land; Perennial crops, orchards and groves
Grassland	20	Alpine, subalpine and boreal grassland
Shrubland	10	Heathland
Caves and Subterranean Habitats (non-aquatic)	-	Caves
Rocky areas (eg. inland cliffs, mountain peaks)	-	Scree & boulders; Inland cliffs
Wetlands (inland)	-	Standing freshwater; Rivers and streams; Raised bogs

Land use	% of IBA
tourism/recreation	100
hunting	90
agriculture	63
forestry	15
urban/industrial/transport	6
fisheries/aquaculture	3

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Hautes Vallées d'Aspe et d'Ossau (France). Downloaded from https://datazone.birdlife.org/site/factsheet/hautes-vallées-daspe-et-dossau-iba-france on 23/12/2024.