Adult, Animal, Basic Plumage, Bird, California, Color Photograph, Day, Elkhorn Slough, Forster's Tern, Full Length, Horizontal, Least Concern, Monterey Bay, Nobody, North America, One Animal, Outdoors, Seabird, Side View, Slough, Sterna forsteri, Sterna sp, Sternidae, Tern, USA, United States, United States of America, Wetland, Wildlife, Winter Plumage