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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-bellied Sandgrouse Pterocles orientalis	LC	resident (2010)	70–100 pairs	C2, C6
Pin-tailed Sandgrouse Pterocles alchata	LC	resident (2010)	75–125 pairs	C2, C6
Red-necked Nightjar Caprimulgus ruficollis	NT	breeding (2010)	present	A3
Little Bustard Tetrax tetrax	NT	resident (2010)	1–2 birds	C6
Eurasian Eagle-owl Bubo bubo	LC	resident (2010)	30–40 pairs	C2, C6
Egyptian Vulture Neophron percnopterus	EN	non-breeding (2009)	80–100 birds	A1, B1iii, C1, C2, C6
Egyptian Vulture Neophron percnopterus	EN	breeding (2008)	min 33 pairs	A1, B1iii, B2, C1, C2, C6
Golden Eagle Aquila chrysaetos	LC	resident (2010)	6–7 pairs	C6
Montagu's Harrier Circus pygargus	LC	breeding (2005)	6–10 pairs	C6
Red-billed Chough Pyrrhocorax pyrrhocorax	LC	resident (2005)	min 200 pairs	B2, C2, C6
Dupont's Lark Chersophilus duponti	VU	resident (2010)	55–61 males	A1, C1, C2, C6
Mediterranean Short-toed Lark Alaudala rufescens	LC	resident (2010)	3,379–5,968 pairs	B2
Spectacled Warbler Curruca conspicillata	LC	breeding (2010)	present	A3
Black-eared Wheatear Oenanthe hispanica	LC	breeding (2010)	present	A3
Black Wheatear Oenanthe leucura	LC	resident (2005)	min 100 pairs	A3, B2, C2, C6

Year	Protected Area	Designation (management category)	% coverage of IBA
1987	Caídas de la Negra	Reserva Natural (IV)	2
1987	Vedado de Egüaras	Reserva Natural (IV)	1
1987	Rincon del Bu	Reserva Natural (IV)	1
1987	Caídas de la Negra	Nature Reserve (IV)	3
1987	El Bu	Natural Reserve (-)	1
1999	Bardenas Reales	Parque Natural (II)	70
2000	Bardenas Reales	UNESCO-MAB Biosphere Reserve (UA)	-

Habitat	% of IBA	Habitat detail
Artificial/Terrestrial	50	Arable land
Shrubland	40	Sclerophyllous scrub, garrigue and maquis
Grassland	30	Dry siliceous grassland
Rocky areas (eg. inland cliffs, mountain peaks)	10	Inland cliffs

Land use	% of IBA
agriculture	100
hunting	95
military	5

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Bardenas Reales (Spain). Downloaded from https://datazone.birdlife.org/site/factsheet/bardenas-reales-iba-spain on 23/12/2024.