Current view: Text account
Site description (2000 baseline):
Site location and context
Vresen is a small islet with a little vegetation, surrounded by shallow sea areas.
This is an important site for wintering
Somateria mollissima; although numbers fell in the early 1990s due to siltation of mussel banks caused by the construction of the Great Belt Bridge, numbers in the Great Belt area as a whole seem to have recovered.
National Low
International High3,470 ha of IBA covered by Special Protection Area (Vresen and surrounding sea areas, 3,470 ha).
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Vresen and sea area between Fyn and Langeland (Denmark). Downloaded from
https://datazone.birdlife.org/site/factsheet/vresen-and-sea-area-between-fyn-and-langeland-iba-denmark on 28/12/2024.