The River Canche estuary, with mudflats, raised saltmarsh, beaches, sand-dunes, freshwater marshes and wet meadows.
The site is important for passage and wintering gulls. The site holds 20,000 or more waterbirds in winter, on a regular basis.
BirdLife International (2020) Important Bird Areas factsheet: Estuaire de la Canche. Downloaded from http://www.birdlife.org on 09/07/2020.