The Ribble Estuary is notified as a Site of Special Scientific Interest(SSSI) as well as a Special Protection Area(SPA) and Ramsar site. It is one of the largest areas of grazed saltmarsh in Britain and is of international importance for the passage and wintering wildfowl and waders it supports. It is the most important single estuary in Britain and is legally protected.
30 species of shark, including the Basking Shark, dozens of species of whales, dolphins and porpoises, the most common being the harbour porpoise, bottle nose dolphins and minke whales pass through the Irish Sea. Leather backed turtles visit the Irish sea each summer for their staple diet –jellyfish.
Seals and Otters can also be seen in the Ribble Estuary.