Ons islands

Country/territory: Spain

IBA Criteria met: A4i, B1i, B3, C3 (2011)
For more information about IBA criteria please click here

Area: 429 ha


Site description
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 (2023) Important Bird Areas factsheet: Ons islands. Downloaded from on 26/03/2023.