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The site was identified as internationally important for bird conservation in 2011 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 Stork Ciconia nigra	LC	breeding (2010)	13 pairs	B1i, C2, C6
Eurasian Eagle-owl Bubo bubo	LC	resident (2011)	min 27 pairs	C6
Egyptian Vulture Neophron percnopterus	EN	breeding (2010)	72 pairs	A1, B1iii, B2, C1, C2, C6
Golden Eagle Aquila chrysaetos	LC	resident (2010)	17 pairs	B2, C2, C6
Bonelli's Eagle Aquila fasciata	LC	resident (2010)	4 pairs	C2, C6
Red Kite Milvus milvus	LC	resident (2005)	min 14 pairs	A1, C1, C6
Peregrine Falcon Falco peregrinus	LC	resident (2008)	min 12 pairs	C6
Dupont's Lark Chersophilus duponti	VU	resident (2007)	min 49 males	A1, C1, C2

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2011. The most recent assessment (2008) is shown below.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Transportation and service corridors	happe­ning now	some of popul­ation/area (10–49%)	slow decline (1–10% over 3 gener­ations)	medium
Human intrusions and disturbance	happe­ning now	some of popul­ation/area (10–49%)	slow decline (1–10% over 3 gener­ations)	medium
Natural system modifications	happe­ning now	some of popul­ation/area (10–49%)	slow decline (1–10% over 3 gener­ations)	medium
Pollution	happe­ning now	few indivi­duals/small area (<10%)	slow decline (1–10% over 3 gener­ations)	low
Energy production and mining	past (and unlikely to return) and no longer limiting	few indivi­duals/small area (<10%)	slow decline (1–10% over 3 gener­ations)	low

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Whole area (>90%) covered by appropriate conservation designation	A compre­hensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species	Substantive conservation measures are being implemented, but these are not compre­hensive and are limited by resources and capacity	high

Year	Protected Area	Designation (management category)	% coverage of IBA
2002	Arribes del Duero	Parque Natural (V)	64

Habitat	% of IBA	Habitat detail
Forest	30	Native coniferous woodland; Broadleaved evergreen woodland
Artificial/Terrestrial	25	Arable land
Grassland	10	Dry siliceous grassland
Rocky areas (eg. inland cliffs, mountain peaks)	10	Inland cliffs
Shrubland	10	Scrub

Land use	% of IBA
agriculture	55
urban/industrial/transport	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Arribes del Duero-Fermoselle (Spain). Downloaded from https://datazone.birdlife.org/site/factsheet/arribes-del-duero-fermoselle-iba-spain on 25/12/2024.