In 1997, conservationists launched a plan to kill every feral goat on the Galápagos Islands; by 2006, they had eliminated more than 140,000 of them, and vegetation and birds returned

When Charles Darwin sailed through the Galápagos Islands in 1835, feral goats were already there. Almost two centuries later, conservationists decided to fix that, and what followed became one of the biggest island restoration projects ever attempted on Earth.

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