U.S. Government to Air Drop Toxic Mice on Guam Snakes
ANDERSEN AIR FORCE BASE, Guam - Dead mice laced with painkillers are about to rain down on Guam’s jungle canopy. They are scientists’ prescription for a headache that has caused the tiny U.S. territory misery for more than 60 years: the brown tree snake.
Most of Guam’s native bird species are extinct because of the snake, which reached the island’s thick jungles by hitching rides from the South Pacific on U.S. military ships shortly after World War II. There may be 2 million of the reptiles on Guam now, decimating wildlife, biting residents and even knocking out electricity by slithering onto power lines.
Most of Guam’s native birds were defenseless against the nocturnal, tree-based predators, and within a few decades of the reptile’s arrival, nearly all of them were wiped out.
The snakes can also climb power poles and wires, causing blackouts, or slither into homes and bite people, including babies; they use venom on their prey but it is not lethal to humans.
The solution to this headache, fittingly enough, is acetaminophen, the active ingredient in painkillers including Tylenol.
The strategy takes advantage of the snake’s two big weaknesses. Unlike most snakes, brown tree snakes are happy to eat prey they didn’t kill themselves, and they are highly vulnerable to acetaminophen, which is harmless to humans.