The U.S. Army Corps of Engineers will harass Caspian terns on Rice Island
in the Columbia River estuary this spring so that no terns will nest on
the island.
The new plan to remove terns from the island will use humans to ensure
the birds move downstream so they feed less on salmon smolts and more on
other types of fish.
In 1999, a plan to encourage at least some of the 9,500 nesting pairs
of terns on the island at river mile 21 to move to East Sand Island, 17
miles downstream, …