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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
White Stork Ciconia ciconia	LC	resident	2004	max 80 breeding pairs	C6
Eurasian Spoonbill Platalea leucorodia	LC	resident	2004	max 30 breeding pairs	B2, C6
Cattle Egret Bubulcus ibis	LC	resident	2004	max 1,000 breeding pairs	B1i, C3
Little Egret Egretta garzetta	LC	resident	2004	max 500 breeding pairs	B1i, C2, C6
Eurasian Thick-knee Burhinus oedicnemus	LC	resident	1996	400 breeding pairs	B2, C2, C6
Pied Avocet Recurvirostra avosetta	LC	resident	2004	max 200 breeding pairs	C2, C6
Common Ringed Plover Charadrius hiaticula	LC	winter	2004	max 5,000 individuals	B1i, C3
Kentish Plover Charadrius alexandrinus	LC	resident	2004	max 100 breeding pairs	B2
Eurasian Curlew Numenius arquata	NT	winter	2004	max 500 individuals	A1, C1
Black-tailed Godwit Limosa limosa	NT	winter	2004	max 3,000 individuals	A1, B1i, C1, C3
Little Stint Calidris minuta	LC	winter	2004	max 5,000 individuals	B1i, C3
Common Redshank Tringa totanus	LC	winter	2004	max 3,000 individuals	B1i, C3
Collared Pratincole Glareola pratincola	LC	breeding	2004	max 100 breeding pairs	B1i, B2, C2
Lesser Black-backed Gull Larus fuscus	LC	winter	2004	max 5,000 individuals	B1i, C3
Little Tern Sternula albifrons	LC	breeding	2007	82-100 breeding pairs	B2, C2, C6
Whiskered Tern Chlidonias hybrida	LC	winter	2004	max 300 individuals	B1i, C2
A4iii Species group - waterbirds	n/a	winter	1996	20,000-49,999 individuals	A4iii, C4

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

Year	Protected Area	Designation	% overlap with IBA
-	Marismas de Isla Cristina	Zona de Importancia Comunitaria ZIC (ZEPA/ZEC)	55
1989	Marismas de Isla Cristina	Paraje Natural	51
1989	Marismas de Isla Cristina-Ayamonte	Natural Landscape	49
1997	Marismas de Isla Cristina	Site of Community Importance (Habitats Directive)	55
1999	Isla de San Bruno	Site of Community Importance (Habitats Directive)	8
1999	Río Guadiana y Ribera de Chanza	Site of Community Importance (Habitats Directive)	2
2002	Marismas de Isla Cristina	Special Protection Area (Birds Directive)	57
2015	Isla de San Bruno	Zona de Importancia Comunitaria ZIC (ZEPA/ZEC)	8
2015	Río Guadiana y Ribera de Chanza	Zona de Importancia Comunitaria ZIC (ZEPA/ZEC)	2

Habitat1	Habitat detail	% of IBA
Marine Intertidal		major (>10)
Marine Neritic		major (>10)

1. IUCN Habitat classification.

Land use	% of IBA
tourism/recreation	80
urban/industrial/transport	20
fisheries/aquaculture	15

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Isla Cristina and Ayamonte marshes and Prado lagoon (Spain). Downloaded from https://datazone.birdlife.org/site/factsheet/isla-cristina-and-ayamonte-marshes-and-prado-lagoon-iba-spain on 23/11/2024.