The peninsula 's isolation from the Tasmanian mainland is ideal for keeping a healthy wild Tasmanian devil population . This project involves the local Tasmanian Devil Conservation Park at Taranna and government and university scientists . The isolation from the Tasmanian mainland , where DFTD is running unchecked and has killed more than half of all devils , is ideal for maintaining a healthy wild Tasmanian Devil population in a project that involves the local Tasmanian Devil Conservation Park at Taranna and government and university scientists .