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By Seth Borenstein The Associated Press

In invasive species battle, thinking outside the cage works

WASHINGTON — A robot zaps and vacuums up venomous lionfish in Bermuda. A helicopter pelts Guam’s trees with poison-baited dead mice to fight the voracious brown tree snake. A special boat with giant winglike nets stuns and catches Asian carp in the U.S. Midwest.

In the fight against alien animals that invade and overrun native species, the weird and wired wins.