Animals — 36,937 Species
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Elegant Tern
Thalasseus elegans (Gambel, 1849)
Thalasseus elegans (elegant tern) is a medium-large tern with specific identifying traits, a mostly Gulf of California population, and vulnerability to disturbance.
Lesser Crested Tern
Thalasseus bengalensis (R.Lesson, 1831)
Thalasseus bengalensis, the lesser crested tern, is a medium-large tern that breeds in subtropical coastal areas across the Eastern Hemisphere.
Chinese Crested Tern
Thalasseus bernsteini (Schlegel, 1863)
Thalasseus bernsteini, the Chinese crested tern, is a critically endangered medium-large tern, with population under 50, rediscovered in 2000.
West African Crested Tern
Thalasseus albididorsalis (E.Hartert, 1921)
Thalasseus albididorsalis, the West African crested tern, is a large crested tern breeding along West Africa and ranging to Namibia off-season.
Western Gull
Larus occidentalis Audubon, 1839
Larus occidentalis, the western gull, is a large North Pacific gull with two recognized subspecies.
Glaucous Gull
Larus hyperboreus Gunnerus, 1767
Larus hyperboreus, the glaucous gull, is a large pale Arctic gull that is among the world’s heaviest gull species.
Heermann's Gull
Larus heermanni Cassin, 1852
Heermann's gull (Larus heermanni) is a distinct North American west coast gull with a concentrated breeding range.
Yellow-footed Gull
Larus livens Dwight, 1919
Larus livens, the yellow-footed gull, is a large gull native to Mexico's Gulf of California with characteristic plumage and measurements.
Common Gull
Larus canus Linnaeus, 1758
Larus canus (common gull) is a medium-sized gull with a wide northern Palearctic breeding range and an estimated global population of one million pairs.
Iceland Gull
Larus glaucoides B.Meyer, 1822
Larus glaucoides B.Meyer, 1822, the Iceland gull, is a medium-sized migratory gull that breeds in Canada and Greenland.
Ring-billed Gull
Larus delawarensis Ord, 1815
Larus delawarensis, the ring-billed gull, is a medium-sized gull widespread across North America.
Slaty-backed Gull
Larus schistisagus Stejneger, 1884
Larus schistisagus (slaty-backed gull) is a large gull species native to the Pacific coast of northeastern Asia.
Great Black-backed Gull
Larus marinus Linnaeus, 1758
Larus marinus, the great black-backed gull, is the world's largest gull, found across Atlantic coastal habitats.
Black-tailed Gull
Larus crassirostris Vieillot, 1818
Larus crassirostris, the black-tailed gull, is a medium-sized gull named for its black tail and cat-like call native to East Asian coasts.
Belcher's Gull
Larus belcheri Vigors, 1829
Belcher's gull (Larus belcheri) is a non-migratory gull native to the Humboldt Current zone of the Pacific coast of South America.
Lesser Black-backed Gull
Larus fuscus Linnaeus, 1758
Larus fuscus, the lesser black-backed gull, is a medium gull with a ring species complex and expanding westward range.
California Gull
Larus californicus Lawrence, 1854
Larus californicus, the California gull, is a North American migratory gull with distinct physical traits and breeding habits.
Kelp Gull
Larus dominicanus M.H.K.Lichtenstein, 1823
Larus dominicanus, the kelp gull, is a medium-large gull intermediate in size between two northern Atlantic black-backed gulls with detailed size and plumage traits.
Caspian Gull
Larus cachinnans Pallas, 1811
Larus cachinnans, the Caspian gull, is a large gull with a defined range and distinct physical traits.
Pacific Gull
Larus pacificus Latham, 1801
Larus pacificus, the Pacific gull, is a large gull species with two distinct subspecies found in Australian coastal areas.
Glaucous-winged Gull
Larus glaucescens J.F.Naumann, 1840
Larus glaucescens, the glaucous-winged gull, is a large Pacific gull rarely found far from the ocean.
Olrog's Gull
Larus atlanticus Olrog, 1958
Olrog's gull (Larus atlanticus) is a large gull native to the Atlantic coast of southeastern South America.
Yellow-legged Gull
Larus michahellis J.F.Naumann, 1840
Larus michahellis, the yellow-legged gull, is a large gull native to Mediterranean and adjacent regions with variable size and distinct features.
Armenian Gull
Larus armenicus Buturlin, 1934
Armenian gull (Larus armenicus) is a small herring gull complex species nesting around West Asian mountain lakes.
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