Least, Forster’s, Gull-billed, Caspian, Royal and Black Tern, Black Skimmer, Osprey and other birds flying upside-down.jpg
Least, Forster’s, Gull-billed, Caspian, Royal, Cabot's, Common and Black Tern, Black Skimmer, Laughing Gull, Osprey, American Avocet, Semipalmated Plover, Marbled Godwit, and Northern Pintail flying upside-down