As of early July some 6,500 double-crested cormorants were nesting on East Sand Island in the lower Columbia River estuary and even more were seen nesting on nearby bridges, according to a recent report by the U.S. Army Corps of Engineers.
As of early July some 6,500 double-crested cormorants were nesting on East Sand Island in the lower Columbia River estuary and even more were seen nesting on nearby bridges, according to a recent report by the U.S. Army Corps of Engineers.