Caspian TernCaspian TernCaspian TernCaspian Tern with fishCaspian Tern with fishCaspian TernCaspian Tern diving for fishCaspian TernCaspian TernCaspian Tern, divingCaspian Tern, divingCaspian TernCaspian TernCaspian Tern dropping fish following pursuit by gullCaspian Tern, chased by Heermann's GullCaspian Tern, chased by Western Gull