A very large bay with islands, mudflats (22,000 ha), raised saltmarsh (>1,000 ha), grassland and arable land, rocky coast and cliffs. Human activities include cattle-raising.
This is an important site, holding 20,000 or more wintering and passage waterbirds on a regular basis. It is also an important area for passage passerines.
BirdLife International (2019) Important Bird Areas factsheet: Baie du Mont Saint Michel et Ile des Landes. Downloaded from http://www.birdlife.org on 14/12/2019.