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New Zealand Exterminates Rats
-brazil- writes "It's well-known that one of the worst things humans can do to a biosystem is to introduce new plants and animals that the native species are unprepared to compete with. The NZ government has been trying to reverse one such such ecological disaster in a project to exterminate rats from Campbell Island, where they were introduced by sailors 200 years ago, spread like wildfire and proceeded to severely decimate or outright eradicate many species of native seabirds. After massive deployment of rat poison two years ago, the island has now been declared a rat-free bird sanctuary, and some species that only survived in captivity will be re-introduced. Still, full recovery is estimated to take hundreds of years."
Hell, New Zealand doesn't need to go to North America for that. Ever hear of the Maori? Maybe they should clean up their own islands first.
Actually New Zealand has no native human population, the Maori only arrived a few hundred years before the Europeans, and proceeded to make many species of wildlife extinct at a rapid rate with their slash and burn style of agriculture and the Polynesian Rat that they bought with them.