The term ERNE refers to a type of SEABIRD and EAGLE. It is also known as the Sea EAGLE or the White-tailed Sea EAGLE. It is a large bird of prey that is native to Europe, Asia, and Africa. It has a wingspan of up to 2.3 meters and can weigh up to 4.5 kilograms. The Erne is an opportunistic feeder, preying on fish, small mammals, and carrion. It is a protected species in many countries and is listed as vulnerable by the IUCN Red List.