Chinese name Chinese scientific name Black Xuan tern a nous mintus red-billed gull Larus ridibundus White-crowned Xuan tern Anous stolidus black-billed gull Larus saundersi Small Xuan tern Anous tenuirostris grey-backed gull Larus schistisagus floating gull Chlidonias hybridus New Zealand red-billed gull. Larus scopulinus White-winged Flour Chlidonias Andean Gull Larus serranus Black Flour Chlidonias Niger Dolphin Gull White-browed Gull Score Bii tern CreagrusHydroprogne caspia Wedge-tailed Gull Rhodostethia rosea Inca tern Laros terna Inca Red-legged Three-toed Gull Rissa Brevirostris silver gull Larus argentatus three-toed gull Rissa tridactyla Atlantic gull Larus Atlantic gull Larus Gullryn Chops Albicollis laughing gull Larus atricilla African scissors gull Rynchops yellow-billed gull Mediterranean gull Larus audouinii black scissors. Gull Rynchops Niger spotted gull Larus Belcheri Black-bellied tern Sterna acuta Brown-headed tern Larus Darkmouth Darkmouth Darkmouth Darkmouth Darkmouth Darkmouth Darkmouth Darkmouth Black Mouth Black Mouth Black Mouth Black Mouth Black Mouth Black Mouth Black Mouth Black Mouth Black Mouth Black Mouth Black Mouth Black Mouth Black Mouth Black Mouth Black Mouth Grey-backed tern New Moon Red Mouth Grey Gull Black Mouth tern White-collar Gull Arctic tern Arctic tern Arctic tern White-cheeked tern, red-billed tern, Darkmouth tern, Darkmouth tern, Sumatra tern, black-headed Kojima tern, yellow-throated tern, Antarctic tern, gray-throated tern, modern tern, small crested tern, Australian silver tern, yellow-throated tern, large crested tern, Bo's large crested tern, western American tern, Darkmouth tern, Pacific tern, beautiful crested tern, elegant crested tern, Philadelphia crested tern, large crested tern, large crested tern