Animals — 36,937 Species

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Elegant Tern
Laridae

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
Laridae

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
Laridae

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
Laridae

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
Laridae

Western Gull

Larus occidentalis Audubon, 1839

Larus occidentalis, the western gull, is a large North Pacific gull with two recognized subspecies.

Glaucous Gull
Laridae

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
Laridae

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
Laridae

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
Laridae

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
Laridae

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
Laridae

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
Laridae

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
Laridae

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
Laridae

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
Laridae

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
Laridae

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
Laridae

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
Laridae

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
Laridae

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
Laridae

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
Laridae

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
Laridae

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
Laridae

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
Laridae

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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