In 2011, conservationists dropped 75 tonnes of poisoned bait on Henderson Island; only about 60–80 rats survived, but within two years their population was back to roughly two-thirds of its former level
[ad_1] Henderson Island (Image credit: Canva) In 2011, Henderson Island, a remote and uninhabited island in the South Pacific, became the site of one of the largest rodent-eradication attempts ever undertaken on an island of its size. Conservationists spread about 75 tonnes of poisoned bait across the island in an effort to eliminate invasive Pacific…