Overview
The Severn Estuary and its wildlife is under threat from a proposal to build an enormous barrage to generate electricity from the Severn s huge tides
The Severn Estuary is one of the largest in Europe and is one of its most important wildlife habitats.
The estuary and the rivers which feed into it contain and support a wealth of wildlife so rich it is considered to be of international importance and is protected by international law. Its saltmarshes and mudflats are used by an average 74,000 birds each winter, its waters support more than 100 fish species and vast numbers of invertebrates. The estuary is a vital migration route for migratory fish, including Atlantic salmon, sea trout and eels.