After successfully ridding our waterways of one large rodent, the alien Coypu, Myocastor coypus, of South America, Britain may be about to see the return of Europe's largest rodent and a former inhabitant, the Eurasian Beaver, Castor fiber. In 1995, Scottish Natural Heritage announced that as one of its Species Action Programmes for 1996 a study will be carried out to assess the feasibility of reintroducing the Beaver to Scotland.