Inner Tay Estuary viridis" - a species normally found only in north-eastern North America. Scottish Natural Heritage has commissioned and published habitat survey reports for the Inner Tay Estuary. Public roads run within a few hundred metres of the both north and south shores providing easy access to view the estuary and its wildlife, though car parking is limited in many places: (south shore) Wormit, Balmerino, Newburgh, Elcho Castle; (north bank) Riverside Drive in Dundee by the railway bridge, Invergowrie, Kingoodie, Port Allen, Powgavie, Cairnie Pier; (in Perth) from both banks, the bridges, Moncreiffe Island; (in Bridge of Earn) the bridge. The minor
River Tay William McGonagall's poems "The Tay Bridge Disaster" and "Railway Bridge of the Silvery Tay" and the German poet Theodor Fontane has mentioned the Tay in his poem "Die Brück' am Tay". Both poems deal will the Tay bridge disaster of 1879 seeing the bridge's construction as a case of human hubris and expressing an uneasiness towards the fast technological development of mankind. It is mentioned in the Steeleye Span song "The Royal Forester". Many Rolls-Royce civil aero-engines are named after British rivers, one of which is the Rolls-Royce Tay. River Tay The River Tay () is the longest river in