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The swallow-tailed gull (Creagrus furcatus) is an equatorial seabird in the gull family, Laridae. It is the only species in the genus Creagrus, which derives...

exceptions being Sabine's gull and swallow-tailed gulls, which have forked tails, and Ross's gull, which has a wedge-shaped tail. Gulls have moderately long...

The black-tailed gull (Larus crassirostris) is a gull native to shorelines of East Asia. The black-tailed gull is medium-sized (46 cm) (19 Inches), with...

Sabine's gull (/ˈseɪbɪn/ SAY-bin) (Xema sabini) also known as the fork-tailed gull or xeme, is a small gull. It is the only species placed in the genus...

The Caspian gull (Larus cachinnans) is a large gull and a member of the herring and lesser black-backed gull complex. The scientific name is from Latin...

The Vega gull, East Siberian gull, or East Siberian herring gull (Larus vegae) is a large gull of the herring gull/lesser black-backed gull complex which...

The great black-backed gull (Larus marinus) is the largest member of the gull family. Described by the Cornell Lab of Ornithology as "the king of the Atlantic...

shows that Sabine's gull is the ivory gull's closest relative, followed by the kittiwakes, with Ross's gull and swallow-tailed gull sharing a clade with...

ring-billed gull (Larus delawarensis) is a medium-sized gull. The genus name is from Latin Larus which appears to have referred to a gull or other large...

The black-headed gull (Chroicocephalus ridibundus) is a small gull that breeds in much of the Palearctic including Europe and also in coastal eastern...

The American herring gull or Smithsonian gull (Larus smithsonianus or Larus argentatus smithsonianus) is a large gull that breeds in North America, where...

gull, Heermann's gull, the various subspecies of herring gull, the laughing gull, the lesser black-backed gull, Sabine's gull, the short-billed gull,...

California gull (Larus californicus) is a medium-sized gull, smaller on average than the herring gull, but larger on average than the ring-billed gull (though...

The laughing gull (Leucophaeus atricilla) is a medium-sized gull of North and South America. Named for its laugh-like call, it is an opportunistic omnivore...

western gull (Larus occidentalis) is a large white-headed gull that lives on the west coast of North America and the Pacific Ocean. The western gull ranges...

warbler Swallow tanager Swallow-tailed bee-eater Swallow-tailed cotinga Swallow-tailed gull Swallow-tailed hummingbird Swallow-tailed kite Swallow-tailed nightjar...

The glaucous gull (Larus hyperboreus) is a large gull, the second-largest gull in the world. The genus name is from Latin larus, which appears to have...

frigatebirds and swallow-tailed gulls, the only nocturnal species of gull in the world, can be seen. Red-footed boobies, noddy terns, lava gulls, tropic birds...

The yellow-legged gull (Larus michahellis) is a large gull found in Europe, the Middle East and North Africa, which has only recently achieved wide recognition...

The lesser black-backed gull (Larus fuscus) is a large gull that breeds on the Atlantic coasts of Europe. It is migratory, wintering from the British...