A large area of tidal marshes at the mouths of the Rivers Tinto and Odiel. There are extensive areas of mud and halophytic scrub and some saltpans. The main human activities are fishing, shellfish collecting and tourism.
This is an important wetland for breeding, wintering and passage waterbirds with the second most important Platalea leucorodia breeding colony in Spain.
BirdLife International (2019) Important Bird Areas factsheet: Odiel and Tinto marshes and Huelva coastal lagoons. Downloaded from http://www.birdlife.org on 22/04/2019.