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The site was identified as internationally important for bird conservation in 2002 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

Species	Red List	Season (year/s of estimate)	Size	IBA criteria
Black-bellied Sandgrouse Pterocles orientalis	LC	resident (1996)	80–120 birds	C6
Common Crane Grus grus	LC	winter (1996)	101–250 birds	B2, C6
Little Bustard Tetrax tetrax	NT	resident (1996)	101–250 birds	A1, B2, C1, C6
Black Stork Ciconia nigra	LC	breeding (2002)	1–2 pairs	B2, C6
White Stork Ciconia ciconia	LC	resident (1996)	51–100 pairs	B2, C6
Black-winged Kite Elanus caeruleus	LC	resident (2001)	6–15 pairs	B2, C6
Cinereous Vulture Aegypius monachus	NT	non-breeding (1996)	frequent	C6
Golden Eagle Aquila chrysaetos	LC	resident (2002)	1 pairs	C6
Bonelli's Eagle Aquila fasciata	LC	resident (2001)	4–5 pairs	B2, C6
Montagu's Harrier Circus pygargus	LC	breeding (1996)	11–50 pairs	C6
Black Kite Milvus migrans	LC	breeding (1996)	1–5 pairs	C6
Lesser Kestrel Falco naumanni	LC	breeding (2001)	48–49 pairs	A1, C1, C6

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2002. The most recent assessment (2005) is shown below.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Transportation and service corridors	happe­ning now	few indivi­duals/small area (<10%)	rapid decline (>30% over 3 gener­ations)	low

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Not assessed	Not assessed	Not assessed	not assessed

Year	Protected Area	Designation (management category)	% coverage of IBA
1995	Vale do Guadiana	Parque Natural (V)	91

Habitat	% of IBA	Habitat detail
Shrubland	50	Sclerophyllous scrub, garrigue and maquis
Artificial/Terrestrial	34	Arable land; Perennial crops, orchards and groves; Forestry plantations
Forest	12	Broadleaved evergreen woodland
Wetlands (inland)	4	Rivers and streams; Water fringe vegetation

Land use	% of IBA
agriculture	-
hunting	-
nature conservation and research	-
tourism/recreation	-
fisheries/aquaculture	-
forestry	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: River Guadiana (Portugal). Downloaded from https://datazone.birdlife.org/site/factsheet/river-guadiana-iba-portugal on 22/12/2024.