A successful invasive species eradication program has rid South Georgia island in the Antarctic of rats. The efforts of the Scottish charity, South Georgia Heritage Trust, began in 2010 and just wrapped up after waiting two years after the last application of rodenticide. There are no trees on the island and the introduced rats were devouring species of birds that nest on the ground and are found nowhere else in the world. Rats were first introduced to South Georgia by sealers and whalers in the early 19th century.
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