The Army Corps of Engineers’ plan to move the Rice Island Caspian tern
colony 15 miles down the Columbia River in an attempt to reduce predation
on juvenile salmon has drawn opposition from Northwest and national bird
groups.
The opposition is causing the Corps to seek a compromise plan that may
phase-in the move.
The colony of 10,000 breeding pairs of terns — the largest in North
America, representing nearly one-quarter of terns on the continent — may
be devouring as much as …