River Guadiana

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-bellied Sandgrouse Pterocles orientalis LC resident 1996 80-120 individuals C6
Common Crane Grus grus LC winter 1996 101-250 individuals B2, C6
Little Bustard Tetrax tetrax NT resident 1996 101-250 individuals A1, B2, C1, C6
Black Stork Ciconia nigra LC breeding 2002 1-2 breeding pairs B2, C6
White Stork Ciconia ciconia LC resident 1996 51-100 breeding pairs B2, C6
Black-winged Kite Elanus caeruleus LC resident 2001 6-15 breeding pairs B2, C6
Cinereous Vulture Aegypius monachus NT non-breeding 1996 frequent C6
Golden Eagle Aquila chrysaetos LC resident 2002 1 breeding pairs C6
Bonelli's Eagle Aquila fasciata LC resident 2001 4-5 breeding pairs B2, C6
Montagu's Harrier Circus pygargus LC breeding 1996 11-50 breeding pairs C6
Milvus migrans NR breeding 1996 1-5 breeding pairs C6
Lesser Kestrel Falco naumanni LC breeding 2001 48-49 breeding pairs A1, C1, 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)
Vale do Guadiana Parque Natural 69,669 protected area contained by site 69,773
Vale do Guadiana Special Protection Area (Birds Directive) 76,543 is identical to site 76,547
Ribeira do Vascão Ramsar Site, Wetland of International Importance 44,331 protected area overlaps with site 0
Guadiana Site of Community Importance (Habitats Directive) 38,462 protected area overlaps with site 17,922
Castro Verde Special Protection Area (Birds Directive) 85,343 protected area is adjacent to site 0


IUCN Habitat Habitat detail Extent (% of site)
Forest Broadleaved evergreen woodland -
Shrubland Sclerophyllous scrub, garrigue and maquis -
Wetlands (inland) Rivers and streams, Water fringe vegetation -
Artificial/Terrestrial Arable land, Perennial crops, orchards and groves, Forestry plantations -
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 -
fisheries/aquaculture -
forestry -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: River Guadiana. Downloaded from on 28/03/2023.