The fish-eating sea birds on East Sand Island in the Columbia River estuary have been the target of management actions to reduce the number of double-crested cormorants and Caspian terns since the middle of the last decade.

The fish-eating sea birds on East Sand Island in the Columbia River estuary have been the target of management actions to reduce the number of double-crested cormorants and Caspian terns since the middle of the last decade.