Some previous deliberate introductions of non-native species to Australia had gone horribly wrong: for example, cane toads from South America, introd… - Dave Goulson

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Some previous deliberate introductions of non-native species to Australia had gone horribly wrong: for example, cane toads from South America, introduced to help control sugar cane pests, have themselves become a plague, proliferating to the point where there are now estimated to be about 200 million of them, eating everything except the pests they were intended to control.