A large river bordered by riverine forest, ponds, heathland, orchards and arable fields.
The site is important for breeding herons and wintering waterbirds. Species of global conservation concern that do not meet IBA criteria: Aythya nyroca (wintering).
BirdLife International (2020) Important Bird Areas factsheet: Iles du Haut-Rhône. Downloaded from http://www.birdlife.org on 01/10/2020.