Cormorants, Terns, Pelicans, Gulls: Council Gets The Latest Numbers On Managing Avian Salmonid Predation Across Columbia/Snake Basin
Predation by sea birds on salmon and steelhead smolts in some years is responsible for as much as 50 percent of all smolt mortalities during the outmigration to the sea from the Columbia and Snake river basins, according to a presentation this week at a meeting of the Northwest Power and Conservation Council.