This site includes intertidal mudflats and sandbanks, saltmarsh, cliffs, beaches and a marine section.
This is an important area for wintering and passage wildfowl and waders and breeding seabirds. It is also one of the most important sites for waterbirds on the Cantabric coast.
BirdLife International (2020) Important Bird Areas factsheet: Eo river estuary-Barayo beach-Ría de Foz. Downloaded from http://www.birdlife.org on 12/08/2020.