An estuary with mudflats, beaches and alluvial islands, marshes, wet meadows and woodland.
The site holds 20,000 or more waterbirds in winter, on a regular basis. Species of global conservation concern that do not meet IBA criteria: Gallinago media (passage).
BirdLife International (2020) Important Bird Areas factsheet: Estuaire de la Loire. Downloaded from http://www.birdlife.org on 04/04/2020.