• Summary
• Text account
• Data table and detailed info
• Map
• Reference and further resources

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
European Shag Gulosus aristotelis	LC	resident (2004)	931 pairs	A4i, B1i, B3, C3

Year	Protected Area	Designation (management category)	% coverage of IBA
-	Islas Atlanticas	Marine Protected Area (OSPAR) (UA)	100
2002	Marítimo-Terrestre de las Islas Atlánticas de Galicia	Parque Nacional (II)	100

Habitat	% of IBA	Habitat detail
Marine Coastal/Supratidal	26
Shrubland	26	Scrub
Marine Neritic	-

Land use	% of IBA
not utilised	26
fisheries/aquaculture	-
tourism/recreation	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Ons islands (Spain). Downloaded from https://datazone.birdlife.org/site/factsheet/ons-islands-iba-spain on 21/12/2024.