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In this photo provided by the USDA/APHIS Wildlife Services, newly designed aerial bait cartridges consist of dead mice with 80-mg acetaminophen tablets and a biodegradable streamer-like cartridge. The cartridge is designed to snag on trees where invasive brown tree snakes are known to feed. New, creative but more high-tech methods may finally be turning the tide in the fight against invasive species. Non-native plants and animals cost the world hundreds of billions of dollars a year. (USDA/APHIS Wildlife Services via AP)

In this photo provided by the USDA/APHIS Wildlife Services, newly designed aerial bait cartridges consist of dead mice with 80-mg acetaminophen tablets and a biodegradable streamer-like cartridge. The cartridge is designed to snag on trees where invasive brown tree snakes are known to feed. New, creative but more high-tech methods may finally be turning the tide in the fight against invasive species. Non-native plants and animals cost the world hundreds of billions of dollars a year. (USDA/APHIS Wildlife Services via AP)

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