Cormorants sun themselves on a breakwater at Lake Merritt, home to large breeding populations of herons, egrets, geese and ducks, is the oldest wildlife refuge on North America. (AP Photo/Ben Margot)
Cormorants sun themselves on a breakwater at Lake Merritt, home to large breeding populations of herons, egrets, geese and ducks, is the oldest wildlife refuge on North America. (AP Photo/Ben Margot)