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The site was identified as important 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 List1	Season	Year(s)	Size	IBA criteria
Black Stork Ciconia nigra	LC	breeding	2010	13 breeding pairs	B1i, C2, C6
Eurasian Eagle-owl Bubo bubo	LC	resident	2011	min 27 breeding pairs	C6
Egyptian Vulture Neophron percnopterus	EN	breeding	2010	72 breeding pairs	A1, B1iii, B2, C1, C2, C6
Golden Eagle Aquila chrysaetos	LC	resident	2010	17 breeding pairs	B2, C2, C6
Bonelli's Eagle Aquila fasciata	LC	resident	2010	4 breeding pairs	C2, C6
Red Kite Milvus milvus	LC	resident	2005	min 14 breeding pairs	A1, C1, C6
Peregrine Falcon Falco peregrinus	LC	resident	2008	min 12 breeding pairs	C6
Dupont's Lark Chersophilus duponti	VU	resident	2007	min 49 males	A1, C1, C2

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2011) may differ.

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 area/population (10-49%)	slow but significant deterioration	medium
Human intrusions and disturbance	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Natural system modifications	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Energy production and mining	past (and unlikely to return) and no longer limiting	small area/few individuals (<10%)	slow but significant deterioration	low
Pollution	happening now	small area/few individuals (<10%)	slow but significant deterioration	low

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Whole area of site (>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	% overlap with IBA
1989	Arribes del Duero - ZEPA	Special Protection Area (Birds Directive)	66
1998	Arribes Del Duero	Site of Community Importance (Habitats Directive)	68
2000	Cañones del Duero - ZEPA	Special Protection Area (Birds Directive)	2
2000	Cañones Del Duero	Site of Community Importance (Habitats Directive)	23
2002	Arribes del Duero	Parque Natural	64

Habitat1	Habitat detail	% of IBA
Forest	Native coniferous woodland, Broadleaved evergreen woodland	30
Artificial/Terrestrial	Arable land	25
Grassland	Dry siliceous grassland	10
Rocky areas (eg. inland cliffs, mountain peaks)	Inland cliffs	10
Shrubland	Scrub	10

1. IUCN Habitat classification.

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 23/11/2024.