Gulls and Terns

Pallas's Gull Relict Gull Mediterranean Gull Little Gull Black-headed Gull Slender-billed Gull Great Black-backed Gull Lesser Black-backed Gull Siberian Black-backed Gull Herring Gull Vega (Mongolian) Gull Caspian Gull Baraba Steppe Gull Glaucous Gull Mew Gull Ring-billed Gull Black-legged Kittiwake Black Tern White-winged Tern Whiskered Tern Gull-billed Tern Caspian Tern Sandwich Tern Common Tern Little Tern