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The site was identified as important in 2008 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
Cory's Shearwater Calonectris borealis	LC	breeding	1996-2001	72,711 individuals	A4ii, B1ii, C2
Audubon's Shearwater Puffinus lherminieri	LC	breeding	1999	400-770 breeding pairs	B1ii, C2
Roseate Tern Sterna dougallii	LC	breeding	2004-2008	127-518 breeding pairs	B1ii, C2
A4iii Species group - seabirds	n/a	breeding	1996-2001	73,000 individuals	A4iii, C4

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2008) may differ.

Year	Protected Area	Designation	% overlap with IBA
-	Ilha do Corvo	Natural Park	-
1988	Costa e Caldeirão - Ilha do Corvo	Special Protection Area (Birds Directive)	<1
1988	Costa Sul e Sudoeste - Ilha das Flores	Special Protection Area (Birds Directive)	<1
1988	Costa Nordeste - Ilha das Flores	Special Protection Area (Birds Directive)	<1
1988	Costa Sudoeste	Special Protection Area (Birds Directive)	-
1995	Costa Nordeste - Ilha das Flores	Site of Community Importance (Habitats Directive)	<1
1995	Costa e Caldeirão - Ilha do Corvo	Site of Community Importance (Habitats Directive)	<1
2006	Costa do Corvo	Área Protegida de Gestão de Recursos	12
2006	Corvo Island	Marine Protected Area (OSPAR)	12
2006	Costa e Caldeirão do Corvo	Área Protegida para a Gestão de Habitats ou Espécies	<1
2011	Costa Norte (Ilha das Flores)	Área Protegida de Gestão de Recursos	2
2011	Costa Sul e Sudoeste (Ilha das Flores)	Área Protegida para a Gestão de Habitats ou Espécies	<1
2011	Zona Central e Falésias da Costa Oeste	Paisagem Protegida	<1
2011	Costa Nordeste (Ilha das Flores)	Área Protegida para a Gestão de Habitats ou Espécies	<1
2011	Ilhéu de Maria Vaz	Reserva Natural	<1

Habitat1	Habitat detail	% of IBA
Marine Neritic		100

1. IUCN Habitat classification.

Land use	% of IBA
nature conservation and research	11
military	-
fisheries/aquaculture	-
tourism/recreation	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Corvo e Flores (Portugal). Downloaded from https://datazone.birdlife.org/site/factsheet/corvo-e-flores-iba-portugal on 22/11/2024.