An open raised bog, surrounded by transitional mire, fen and wet forest, and separated from the Baltic Sea by a narrow strip of sand-dunes overgrown with pines Pinus. Land-uses are cranberry Vaccinium collection, hunting and peat extraction in part of the bog.
Millions of birds migrate through a narrow belt along the sea coast each autumn and the site is a crucial staging spot for geese before they cross the Baltic Sea. Thousands of Anser fabalis and A. albifrons occur in mixed flocks in autumn and numbers are thought to exceed, by a wide margin, 1% or more of flyway population size for both species, and also probably to exceed 1% or more of biogeographic population size for A. fabalis, although targeted counts are needed. A survey of Acrocephalus paludicola is planned.
BirdLife International (2022) Important Bird Areas factsheet: Nida bog. Downloaded from http://www.birdlife.org on 06/12/2022.