East Sand Island, a slim strip of sand, sludge, and beachgrass near the mouth of the Columbia River, is home to an estimated 28,000 cormorants. Make that 26,800 cormorants: Since Memorial Day, crews from the U.S. Department of Agriculture’s Wildlife Services have shot more than 1,200 adult birds and doused more than 5,000 nests with vegetable oil, suffocating developing cormorant […]