Sub-species of the terns include: Common Tern, Least Tern, Caspian Tern, Arctic Tern, Royal Tern, Black Tern, Forster’s Tern, Elegant Tern, Roseate Tern. The most common terns found in the bay area are the Forster’s Tern which breeds primarily in marshes and winters along the coast, Elegant Tern and the Caspian Tern.
