Data Zone
Country/territory: Sweden
IBA criteria met: A4iii, B1ii, B3, C3, C4 (2000)
For more information about IBA criteria, please click here
Area: 8,800 ha
Site description (2000 baseline)
Two islands with cliffs situated off south-west Gotland. The tops of the islands are flat and support Juniperus and a few copses. Sheep-grazing is the only land-use.
Key biodiversity
The IBA supports large numbers of breeding seabirds, including c.75% of the Baltic breeding population of Uria aalge. Numbers of Alca torda have increased by 50% over the last decade.
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Karlsö Islands (Sweden). Downloaded from
https://datazone.birdlife.org/site/factsheet/karlsö-islands-iba-sweden on 23/11/2024.