Hawaii's 1955 predatory snail release pushed native tree snails to near extinction
In 1955, Hawaii introduced a predatory snail species to manage agricultural pests, but the move backfired and decimated native kāhuli tree snails. Once abundant and deeply significant in Hawaiian culture, these colorful snails now survive in drastically reduced numbers. Scientists have set up a dedicated facility resembling an emergency room to care for and breed the remaining species in captivity. Conservationists are working to build predator-proof enclosures to allow safe reintroduction into the wild, though progress is slow. The crisis reflects a broader global pattern of human interventions driving native species toward extinction.
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