Hurray for the Galapagos Islands! Declaring one of their largest islands finally free of feral pigs, conservationists can congratulate themselves for winning a hard battle in what will probably be a long war. Feral pigs (Sus scropha) are very destructive, and there are several native species that will benefit from their absence. But there are still other pig-infested islands in the chain, and as the list at the end of the article shows, there are many other invasive plants and animals that must be dealt with.
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