Volunteers and federal workers comprised so-called Crazy Ant Strike Teams that experimented with baits and other techniques to get rid of the pests. The ants spray formic acid on the birds, causing injuries including blindness and even death, Fish and Wildlife Service officials said. “To ensure the eradication was successful, the teams have been monitoring, searching, and surveying for yellow crazy ants.”įor about a decade, the ants have threatened the seabirds by swarming their nests - and anything else on the ground. “This is the first time an invasive ant species has been eradicated on such a large land area in the U.S,” said Kate Toniolo, superintendent for the Pacific Remote Islands Marine National Monument, in a statement. The ants stalk seabirds on the uninhabited atoll and prevented nesting on about 70 acres of land.
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