Upper River Douro and Águeda valleys

IBA Criteria

Year of most recent IBA criteria assessment: 2002

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Black Stork Ciconia nigra LC breeding - 11-25 breeding pairs B2, C6
Eurasian Eagle-owl Bubo bubo LC resident - 11-50 breeding pairs B2, C6
Egyptian Vulture Neophron percnopterus EN breeding - 51-75 breeding pairs B2, C6
Griffon Vulture Gyps fulvus LC resident 1996 320-325 breeding pairs B2, C6
Golden Eagle Aquila chrysaetos LC resident - 11-15 breeding pairs B2, C6
Bonelli's Eagle Aquila fasciata LC resident - 10-20 breeding pairs B2, C2, C6
Peregrine Falcon Falco peregrinus LC resident - 20-25 breeding pairs B2, C6
Red-billed Chough Pyrrhocorax pyrrhocorax LC resident - 50-100 breeding pairs B2, C6
Black Wheatear Oenanthe leucura LC resident 2001 frequent C6

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

IBA Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2005 low not assessed not assessed
Was the whole site covered? No State assessed by unset
Accuracy of information good

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Transportation and service corridors utility & service lines happening now small area/few individuals (<10%) very rapid to severe deterioration low

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Not assessed Not assessed Not assessed not assessed
For more information about IBA monitoring please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Douro Internacional e Vale do Águeda Special Protection Area (Birds Directive) 50,769 protected area overlaps with site 47,650
Douro Internacional Parque Natural 87,011 protected area overlaps with site 50,744
Douro Internacional Site of Community Importance (Habitats Directive) 35,719 protected area overlaps with site 33,755


IUCN Habitat Habitat detail Extent (% of site)
Forest Broadleaved deciduous woodland, Broadleaved evergreen woodland -
Shrubland Scrub, Sclerophyllous scrub, garrigue and maquis -
Wetlands (inland) Standing freshwater, Rivers and streams -
Rocky areas (eg. inland cliffs, mountain peaks) Inland cliffs -
Artificial/Terrestrial Arable land, Perennial crops, orchards and groves -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
hunting -
nature conservation and research -
tourism/recreation -
water management -
fisheries/aquaculture -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2021) Important Bird Areas factsheet: Upper River Douro and Águeda valleys. Downloaded from on 25/09/2021.