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Location Portugal, Centro,Norte
Central coordinates 6o 46.00' West  41o 4.00' North
IBA criteria B2, C2, C6
Area 50,744 ha
Altitude 150 - 771m
Year of IBA assessment 2002

Sociedade Portuguesa para o Estudo das Aves

Site description The central area of the site is constituted by little plateaus cross-cut by river valleis that run up to river Douro, where abound marshes rounded by hedgerows, crop-lands, vineyards, etc...Shrublands of cistus, genistas and holm oak are also important and forest of oaks and cork trees.

Key Biodiversity The cliffs provide exceptionally good breeding habitat for raptors and other soaring birds that feed in near plateaus where agricultural and cattle breeding activities are developed. Is also important for mediterranean and pseudo-steppic birds.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Black Stork Ciconia nigra breeding  11-25 breeding pairs  good  B2, C6  Least Concern 
Falco peregrinus resident  20-25 breeding pairs  good  B2, C6  Not Recognised 
Egyptian Vulture Neophron percnopterus breeding  51-75 breeding pairs  good  B2, C6  Endangered 
Griffon Vulture Gyps fulvus resident  1996  320-325 breeding pairs  good  B2, C6  Least Concern 
Golden Eagle Aquila chrysaetos resident  11-15 breeding pairs  good  B2, C6  Least Concern 
Bonelli's Eagle Aquila fasciata resident  10-20 breeding pairs  good  B2, C2, C6  Least Concern 
Eurasian Eagle-owl Bubo bubo resident  11-50 breeding pairs  medium  B2, C6  Least Concern 
Red-billed Chough Pyrrhocorax pyrrhocorax resident  50-100 breeding pairs  medium  B2, C6  Least Concern 
Black Wheatear Oenanthe leucura resident  2001  frequent  C6  Least Concern 

IBA Monitoring

2005 low not assessed not assessed
Good - based on reliable and complete / representative data

Transportation and service corridors utility & service lines happening now small area/few individuals (<10%) very rapid to severe deterioration low

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Douro Internacional Nature Park 87,011 protected area contains site 50,744  


IUCN habitat Habitat detail Extent (% of site)
Forest Broadleaved deciduous woodland; Broadleaved evergreen woodland  -
Shrubland Sclerophyllous scrub, garrigue and maquis; Scrub  -
Wetlands (inland) Rivers and streams; Standing freshwater  -
Rocky areas Inland cliffs  -
Artificial - terrestrial Arable land; Perennial crops, orchards and groves  -

Land use

Land-use Extent (% of site)
agriculture -
hunting -
nature conservation and research -
tourism/recreation -
water management -
fisheries/aquaculture -

Protection status National:Parque Natural do Douro Internacional, 85,146 ha, includes all the IBA.Special Protection Area Douro Internacional e Vale do rio Águeda, 50744ha overlaps with IBA.SIC proposal Douro Internacional,36187ha, includes 33756ha of IBA.International:Special Protection Area Douro Internacional e Vale do rio Águeda, Candidature SIC Douro Internacional.

References Araujo, Neves & Rufino(1994)Monteiro (1995,1999,2000)Berliner(1996,2001)S:N:P:R:C:N.(1992)

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Upper River Douro and Águeda valleys. Downloaded from on 21/10/2016

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