Site description
A bay with saltwater and freshwater lagoons, saltwater marshes, mudflats and wet meadows.
Key biodiversity
The site holds 20,000 or more waterbirds on passage and in winter, on a regular basis. Species of global conservation concern that do not meet IBA criteria: Haliaeetus albicilla (passage).
Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Baie de Bourgneuf et marais breton. Downloaded from
http://www.birdlife.org on 01/02/2023.