Data Zone
Country/territory: Spain
IBA criteria met: A4i, B1i, B3, C3 (2011)
For more information about IBA criteria, please click here
Area: 429 hectares (4.29 km2)
Site description (2000 baseline)
Two small islands in the Ría de Pontevedra estuary, covered by scrub and grasslands. The main human activity is tourism.
Key biodiversity
This is an important site for breeding seabirds.
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.