ANCHORAGE - There are no signs of rats on Rat Island.
That news follows an eradication effort last year that involved poisoning the rats in hopes of returning many types of species of birds to the island in Alaska's Aleutian Chain.
The U.S. Fish and Wildlife Service says two weeks of intensive field monitoring showed no sign of invasive rats. It also showed that several bird species, including peregrine falcons and black oystercatchers, were nesting on the island.
Scientists did find numerous carcasses of two types of birds - glaucous-winged gulls and bald eagles. The birds appear to have died in recent months.
The cause of the deaths of the birds is not known. The federal agency says tests are being conducted.
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