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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
Purple Swamphen Porphyrio porphyrio	LC	resident (2002)	min 8 pairs	C6
Great Bustard Otis tarda	EN	resident (2009)	55–70 birds	A1, C1, C6
White Stork Ciconia ciconia	LC	resident (2009)	460 pairs	B1i, C2, C6
Common Little Bittern Ixobrychus minutus	LC	breeding (2009)	35–40 pairs	C6
Black-crowned Night Heron Nycticorax nycticorax	LC	breeding (2009)	30–60 pairs	C6
Cattle Egret Bubulcus ibis	LC	breeding (2009)	8,000–10,000 pairs	A4i, B1i, C3
Purple Heron Ardea purpurea	LC	breeding (2009)	55–60 pairs	B1i, C2, C6
Black-winged Stilt Himantopus himantopus	LC	passage (2011)	max 500 birds	C6
Black-winged Stilt Himantopus himantopus	LC	breeding (2011)	20–200 pairs	C6
Eurasian Eagle-owl Bubo bubo	LC	resident (2009)	33–36 pairs	C2, C6
Western Marsh-harrier Circus aeruginosus	LC	resident (2009)	18 pairs	C6
Red Kite Milvus milvus	LC	winter (2009)	30–40 birds	A1, C1
Black Kite Milvus migrans	LC	breeding (2009)	160 pairs	C6
Lesser Kestrel Falco naumanni	LC	breeding (2009)	50–57 pairs	C6
Peregrine Falcon Falco peregrinus	LC	resident (2008)	8 pairs	C6
Red-billed Chough Pyrrhocorax pyrrhocorax	LC	resident (2009)	50–60 pairs	C2, C6

Year	Protected Area	Designation (management category)	% coverage of IBA
1991	Laguna de San Juan	Refugio de Fauna (III)	<1
1994	Ejes de los Cursos Bajos de los Ríos Manzanares y Jarama	Parque Regional (V)	91
1994	Sureste	Regional Park (-)	100

Habitat	% of IBA	Habitat detail
Artificial/Terrestrial	26	Highly improved re-seeded landscapes; Arable land; Perennial crops, orchards and groves; Forestry plantations; Other urban and industrial areas; Ruderal land
Rocky areas (eg. inland cliffs, mountain peaks)	26	Inland cliffs
Wetlands (inland)	26	Standing freshwater; Water fringe vegetation
Forest	-	Alluvial and very wet forest; Broadleaved evergreen woodland; Treeline ecotone
Grassland	-	Steppes and dry calcareous grassland
Shrubland	-	Scrub; Sclerophyllous scrub, garrigue and maquis

Land use	% of IBA
agriculture	26
hunting	26
urban/industrial/transport	26
military	-
nature conservation and research	-
tourism/recreation	-
water management	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Cortados del Jarama (Spain). Downloaded from https://datazone.birdlife.org/site/factsheet/cortados-del-jarama-iba-spain on 22/12/2024.