It wasn't just the communists that were not thinking about the consequences, making moronic choices and ruining ecosystems. See also: Frogs and Rabbits in Aust

It wasn't just the communists that were not thinking about the consequences, making moronic choices and ruining ecosystems. See also: Frogs and Rabbits in Australia, Deer in Haida Gwaii, Mongooses in Hawaii, the list goes on and on...