Anzasca and Antrona valleys

IBA Criteria

Year of most recent IBA criteria assessment: 2000

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Hazel Grouse Bonasa bonasia LC resident 1997 uncommon C6
Black Woodpecker Dryocopus martius LC resident 1997 frequent C6
Yellow-billed Chough Pyrrhocorax graculus LC resident 1998 min 20 breeding pairs A3
Wallcreeper Tichodroma muraria LC resident 1996 min 10 breeding pairs A3
Alpine Accentor Prunella collaris LC resident 1996 min 30 breeding pairs A3
White-winged Snowfinch Montifringilla nivalis LC resident 1996 min 20 breeding pairs A3
Citril Finch Carduelis citrinella LC resident 1988 present A3

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here


IUCN Habitat Habitat detail Extent (% of site)
Forest Broadleaved deciduous woodland, Native coniferous woodland, Mixed woodland, Treeline ecotone -
Shrubland Scrub -
Grassland Dry siliceous grassland, Alpine, subalpine and boreal grassland -
Wetlands (inland) Standing freshwater, Rivers and streams -
Rocky areas (eg. inland cliffs, mountain peaks) Scree & boulders, Inland cliffs -
Artificial/Terrestrial Highly improved re-seeded landscapes, Perennial crops, orchards and groves, Forestry plantations, Urban parks and gardens, Other urban and industrial areas -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
forestry -
hunting -
tourism/recreation -
urban/industrial/transport -
not utilised -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2021) Important Bird Areas factsheet: Anzasca and Antrona valleys. Downloaded from on 29/09/2021.