Vilniaus universiteto Ekologijos institutas. – Vilnius : Vilniaus universiteto Ekologijos institutas. Mečislovas Žalakevičius, Irena Žalakevičienė. 2009.
White-eyed Gull — Taxobox name = White eyed Gull status = NT | status system = IUCN3.1 status ref = IUCN2006|assessors=BirdLife International|year=2006|id=11322|title=Larus leucophthalmus|downloaded=14 April 2007 Database entry includes justification for why this… … Wikipedia
Gull — Taxobox name = Gulls image width = 250px image caption = Black headed Gull regnum = Animalia phylum = Chordata classis = Aves ordo = Charadriiformes subordo = Lari familia = Laridae familia authority = Vigors, 1825 subdivision ranks = Genera… … Wikipedia
Hartlaub's Gull — King Gull redirects here. For the very large gull which breeds on the European and North American coasts and islands of the North Atlantic, see King of Gulls. Hartlaub s Gull Conservation status … Wikipedia
Common Gull — For the butterfly, see Cepora nerissa. Common Gull Adult Mew Gull. Anchorage Coastal Wildlife Refuge, Alaska. Conservation status … Wikipedia
Kelp Gull — Karoro redirects here. For the suburb of Greymouth, see Karoro, New Zealand. Kelp Gull In central Chile Conservation status … Wikipedia
Swallow-tailed Gull — Española Island, Galápagos Islands Conservation status … Wikipedia
Olrog's Gull — Conservation status Vulnerable (IUCN 3.1 … Wikipedia
Bonaparte's Gull — Adult breeding Adult non breeding … Wikipedia
Ivory Gull — Conservation status Near Threatened (I … Wikipedia
Silver Gull — Adult Conservation status … Wikipedia
