Country/territory: Belgium

IBA criteria met: B1i, B3, C3, C6 (2000)
For more information about IBA criteria, please click here

Area: 1,820 ha


Site description (baseline)
An area of saltmarshes and mudflats (a remnant of a former estuary) with a dune system and polders with halophile creeks and grasslands, several reedbeds and canals fringes with reed. The dune and saltmarsh area extends across the border into the Netherlands.

Key biodiversity
The site supports internationally important numbers of wintering geese. Significant numbers of gulls, terns and meadow birds also breed and the dunes are an important staging site for migrating passerines.

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Zwin. Downloaded from on 29/05/2023.