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Location Spain, Aragón,Navarra
Central coordinates 0o 45.00' West  42o 50.00' North
IBA criteria B1iii, B2, C2, C6
Area 44,500 ha
Altitude 728 - 2,670m
Year of IBA assessment 2000

SEO/BirdLife



Site description A Pyrenean high-mountain zone with Fagus, Abies and Pinus forests. The main human activities are forestry, hunting, livestock-grazing and tourism and recreation.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Western Capercaillie Tetrao urogallus resident  1992  16-20 breeding pairs  good  C6  Least Concern 
Rock Ptarmigan Lagopus muta resident  1996  47-50 breeding pairs  good  C6  Least Concern 
Grey Partridge Perdix perdix resident  1992  40-50 breeding pairs  medium  C6  Least Concern 
Falco peregrinus resident  1995  6-10 breeding pairs  medium  C6  Not Recognised 
Bearded Vulture Gypaetus barbatus resident  1996  6 breeding pairs  good  B2, C6  Near Threatened 
Golden Eagle Aquila chrysaetos resident  1995  6 breeding pairs  medium  C6  Least Concern 
Griffon Vulture Gyps fulvus resident  1995  150 breeding pairs  medium  B1iii, B2, C2, C6  Least Concern 
Egyptian Vulture Neophron percnopterus breeding  1995  10 breeding pairs  medium  C6  Endangered 
Boreal Owl Aegolius funereus resident  1995  2-5 breeding pairs  medium  C6  Least Concern 
Black Woodpecker Dryocopus martius resident  1992  30-40 breeding pairs  medium  C6  Least Concern 
Dendrocopos leucotos resident  1995  10 breeding pairs  medium  C6  Not Recognised 
Red-billed Chough Pyrrhocorax pyrrhocorax resident  1995  200 breeding pairs  medium  B2, C2, C6  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Aztaparreta Integral Reserve 175 protected area contained by site 175  
Larra Nature Reserve 2,353 protected area contained by site 2,353  
Larra-Aztaparreta - ES0000123 Birds Directive 3,947 protected area contained by site 3,947  
Larrondo-Lakartxela - ES2200009 Habitats Directive 2,151 protected area overlaps with site 1,684  
Los Valles National Game Reserve 28,757 protected area contained by site 28,765  
LOS VALLES - ES0000137 Birds Directive 31,982 protected area overlaps with site 25,858  
LOS VALLES - ES2410003 Habitats Directive 27,058 protected area contained by site 27,058  
LOS VALLES - SUR - ES2410001 Habitats Directive 14,655 protected area is adjacent to site 0  
R Habitats Directive 385 protected area overlaps with site 85  
Sierra de Arrigorrieta y Peña Ezkaurre - ES0000130 Birds Directive 5,164 protected area overlaps with site 4,325  
Ukerdi Integral Nature Reserve 322 protected area contained by site 322  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Forest Broadleaved deciduous woodland; Mixed woodland; Native coniferous woodland  40%
Shrubland Heathland; Scrub  20%
Grassland Alpine, subalpine and boreal grassland  40%

Land use

Land-use Extent (% of site)
agriculture 80%
forestry 40%
hunting 90%
not utilised 10%

Protection status National Partial International Partial175 ha of IBA covered by Integral Nature Reserve (Aztaparreta, 175 ha). 322 ha of IBA covered by Integral Nature Reserve (Ukerdi, 322 ha). 2,353 ha of IBA covered by Natural Reserve (Larra, 2,353 ha). 28,765 ha of IBA covered by National Game Reserve (Los Valles, 28,765 ha). 28,757 ha of IBA covered by Special Protection Area (Reserva Nacional de Caza de Los Valles, 28,757 ha). 5,913 ha of IBA covered by Special Protection Area (Sierra de Arrigorrieta-Peña de Ezkaurre, 5,913 ha). 3,767 ha of IBA covered by Special Protection Area (Larra-Aztaparreta, 3,767 ha).

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Belagua-Ansó-Hecho. Downloaded from http://www.birdlife.org on 30/08/2014

To provide new information to update this factsheet or to correct any errors, please email BirdLife