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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
White-headed Duck Oxyura leucocephala	EN	winter (2010)	max 176 birds	A1, A4i, B1i, C1, C2
White-headed Duck Oxyura leucocephala	EN	breeding (2009)	max 8 pairs	A1, B1i, C1, C2
Greater Flamingo Phoenicopterus roseus	LC	non-breeding (2010)	2,566–6,024 birds	A4i, B1i, C2
Red-knobbed Coot Fulica cristata	LC	breeding (2009)	max 4 pairs	B2, C2, C6
Red-knobbed Coot Fulica cristata	LC	winter (2010)	max 1 birds	C2, C6
Pied Avocet Recurvirostra avosetta	LC	winter (2010)	2,114–3,464 birds	A4i, B1i, C2, C6
Pied Avocet Recurvirostra avosetta	LC	breeding (2009)	545–1,436 pairs	A4i, B1i, C2, C6
Black-winged Stilt Himantopus himantopus	LC	breeding (2009)	262–387 pairs	B1i, C2, C6
Black-winged Stilt Himantopus himantopus	LC	winter (2010)	861–1,803 birds	A4i, B1i, C2, C6
Kentish Plover Charadrius alexandrinus	LC	breeding (2009)	296–474 pairs	B1i, B2, C2
Kentish Plover Charadrius alexandrinus	LC	winter (2010)	1,162–2,429 birds	A4i, B1i, C2
Eurasian Curlew Numenius arquata	NT	winter (2010)	602–1,105 birds	A1, C1
Bar-tailed Godwit Limosa lapponica	NT	winter (2010)	1,300–2,559 birds	A4i, B1i, C2
Black-tailed Godwit Limosa limosa	NT	winter (2010)	841–3,924 birds	A1, B1i, C1, C3
Dunlin Calidris alpina	NT	winter (2010)	18,019–31,087 birds	A4i, B1i, C2
Common Redshank Tringa totanus	LC	winter (2010)	1,951–3,146 birds	B1i, C3
Collared Pratincole Glareola pratincola	LC	breeding (2009)	max 25 pairs	C6
Lesser Black-backed Gull Larus fuscus	LC	winter (2010)	5,492–15,671 birds	A4i, B1i, C3
Little Tern Sternula albifrons	LC	breeding (2007–2009)	325–1,032 pairs	A4i, B1i, B2, C2, C6
Little Tern Sternula albifrons	LC	winter (2010)	max 4 birds	C6
A4iii Species group - waterbirds	n/a	winter (1991)	20,000-49,999 birds	A4iii, C4

Year	Protected Area	Designation (management category)	% coverage of IBA
1987	Complejo Endorreico de Chiclana	Reserva Natural (Ib)	<1
1989	Bahía de Cádiz	Parque Natural (V)	42
1989	Isla del Trocadero	Paraje Natural (II)	1
1989	Marismas de Sancti Petri	Paraje Natural (II)	1
1989	Bahía de Cádiz	Nature Park (V)	40
1989	Isla de Trocadero	Natural Landscape (-)	2
1989	Marismas de Sancti - Petri	Nature Area (-)	1
1989	Complejo endorreico de Chiclana	Natural Reserve (-)	<1
2003	Punta del Boquerón	Monumento Natural (III)	<1
2014	Espacio marino de la Bahia de Cadiz	Marine Protected Area (OSPAR) (UA)	14

Habitat	% of IBA	Habitat detail
Marine Coastal/Supratidal	-
Marine Intertidal	-
Marine Neritic	-

Land use	% of IBA
nature conservation and research	100
fisheries/aquaculture	80
urban/industrial/transport	-

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