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Encyclopedia > Relict Gull
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Relict Gull
Conservation status: Vulnerable
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Charadriiformes
Family: Laridae
Genus: Larus
Species: L. relictus
Binomial name
Larus relictus
Lönnberg, 1931

The Relict Gull, Larus relictus, is a medium-sized gull which breeds in two locations in Kazakhstan, one in Russia, several in Mongolia, and one in China. Small numbers appear to migrate to South Korea during the nonbreeding period. There is additional evidence that larger numbers may migrate to eastern China as well, but this is not verified. Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Phyla Porifera (sponges) Ctenophora (comb jellies) Cnidaria (coral, jellyfish, anenomes) Placozoa (trichoplax) Subregnum Bilateria (bilateral symmetry) Acoelomorpha (basal) Orthonectida (flatworms, echinoderms, etc. ... Typical Classes Subphylum Urochordata - Tunicatas Ascidiacea Thaliacea Larvacea Subphylum Cephalochordata - Lancelets Subphylum Myxini - Hagfishes Subphylum Vertebrata - Vertebrates Petromyzontida - Lampreys Placodermi (extinct) Chondrichthyes - Cartilaginous fishes Acanthodii (extinct) Actinopterygii - Ray-finned fishes Actinistia - Coelacanths Dipnoi - Lungfishes Amphibia - Amphibians Reptilia - Reptiles Aves - Birds Mammalia - Mammals Chordates (phylum Chordata) include the vertebrates, together with... Orders Many - see section below. ... Families Thinocoridae Pedionomidae Scolopacidae Rostratulidae Jacanidae Chionididae Burhinidae Haematopodidae Recurvirostridae Ibidorhynchidae Charadriidae Pluvianellidae Dromadidae Glareolidae Stercorariidae Rhynchopidae Laridae Sternidae Alcidae Charadriiformes is a diverse order of small to medium-large birds. ... Genera Pagophila Larus Rissa Creagus Xema Rhodostethia Gulls are seabirds in the family Laridae and subfamily Lari. ... Genera Pagophila Larus Rissa Creagus Xema Rhodostethia Gulls are seabirds in the family Laridae and subfamily Lari. ... In biology, binomial nomenclature is the formal method of naming species. ... Seagull redirects here. ... // Long-distance land bird migration Many species of land birds migrate very long distances, the most common pattern being for birds to breed in the temperate or arctic northern hemisphere and winter in warmer regions, often in the tropics or the southern hemisphere. ...


The Relict Gull was believed to be an eastern version of the Mediterranean Gull until 1971. Binomial name Larus melanocephalus Temminck, 1820 The Mediterranean Gull, Larus melanocephalus, is a small gull which breeds almost entirely in Europe, mainly in the south east, especially around the Black Sea, and in central Turkey. ... 1971 (MCMLXXI) is a common year starting on Friday (click for link to calendar). ...


The population is estimated to be at 10,000 or less, with numbers dropping. It is classified as "vulnerable" on the IUCN Red List. The IUCN Red List of Threatened Species (also known as the IUCN Red List and Red Data List), created in 1963, is the worlds most comprehensive inventory of the global conservation status of plant and animal species. ...


The gulls breed in colonies on islands in saltwater lakes. These sites are fragile. Nesting does not occur when lakes dry up or when water levels are too high. When islands become too small or overgrown with vegetation or so large that they join at the shore, the birds do not nest either. During non-breeding periods, the birds can be found on estuarine mud and sandflats. For information on water from a sea or ocean, see sea water. ... A Lake is a body of water surrounded by land. ...


The largest threats to Relict Gull success are the aforementioned water-level changes, predation from other gulls, and hailstorms and flooding. Human disturbance has increased vulnerability to all of these, resulting in further risks for the gulls and increased mortality for chicks and eggs. To combat this, nature preserves in Russia, Kazakhstan, and Mongolia have been established. Hailstorm A hailstorm is a meteorological event, being a storm in which a large amount of hail falls. ... A flood (in Old English flod, a word common to Teutonic languages; compare German Flut, Dutch vloed from the same root as is seen in flow, float) is an overflow of water, an expanse of water submerging land, a deluge. ... Binomial name Homo sapiens Linnaeus, 1758 Subspecies Homo sapiens idaltu(extinct) Homo sapiens sapiens Homo (genus). ... A nature reserve is an area of importance for wildlife, flora, fauna or features of geological or other special interest, which is reserved and managed for conservation and to provide special opportunities for study or research. ...


This species is 44 to 45 centimeters long with a stocky, thick body. Non-breeding adults feature uniformly dark-smudged ear-coverts and hind crown, white-tipped wings, prominent, isolated black subterminal markings on outer primaries, and no white leading edge to outer wing. Their legs and bill deepen to a red color. Breeding birds have black-hoods (including nape) with gray-brown foreheads, and broad, white, half-moon coloring behind, below, and above their eyes. Their legs are orange and their bills scarlet. cm redirects here, alternate uses: cm (disambiguation) A centimetre (symbol cm; American spelling: centimeter) is an SI unit of length. ...


References

  • Birdlife.org
  • Arkive.org

  Results from FactBites:
 
Gull - Wikipedia, the free encyclopedia (301 words)
Apart from the kittiwakes, gulls are typically coastal or inland species, rarely venturing far out to sea.
Gulls — the larger species in particular, are resourceful and highly-intelligent birds, demonstrating complex methods of communication and a highly-developed social structure.
The taxonomy of the large white-headed gulls is particularly complicated.
  More results at FactBites »

 
 

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