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Encyclopedia > Skua
Pomarine Skua
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Charadriiformes
Family: Stercorariidae
Gray, 1871
For other uses: see Skua (disambiguation).

The skuas are seabirds in the family Stercorariidae. The smaller skuas are called jaegers in North America. Image File history File links Pomarine Skua; Image from [1]. The image is a post-processed crop of [2], a scan from Naumann, Naturgeschichte der Vögel Mitteleuropas, Vol. ... Binomial name Stercorarius pomarinus Temminck,, 1815 The Pomarine Skua, Stercorarius pomarinus, known as Pomarine Jaeger in North America, is a seabird in the skua family Stercorariidae. ... Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Phyla Porifera (sponges) Ctenophora (comb jellies) Cnidaria Placozoa Subregnum Bilateria  Acoelomorpha  Orthonectida  Rhombozoa  Myxozoa  Superphylum Deuterostomia     Chordata (vertebrates, etc. ... Typical Classes Subphylum Urochordata - Tunicates Ascideiacea 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... For other meanings of bird, see bird (disambiguation). ... 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. ... John Edward Gray (February 12, 1800 - March 7, 1875) was a British zoologist. ... Skua is a seabird. ... Seabirds are birds that spend much of their lives, outside the breeding season at least, at sea. ...

Skuas nest on the ground in temperate and arctic regions and are long-distance migrants. // 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. ...

Outside the breeding season they take fish, offal and carrion. Many are partial kleptoparasites, chasing gulls, terns and other seabirds to steal their catches; the larger species also regularly kill and eat adult birds, up to the size of Great Black-backed Gulls. On the breeding grounds they commonly eat lemmings, and the eggs and young of other birds. Kleptoparasitism (literally, parasitism by theft) is a form of feeding where one animal takes prey from another that has caught, killed, or otherwise prepared it. ... Binomial name Larus marinus (Linnaeus, 1758) The Great Black-backed Gull, Larus marinus, is a very large gull which breeds on the European and North American coasts and islands of the North Atlantic. ... Genera Dicrostonyx Lemmus Synaptomys Myopus  * Incomplete listing: see vole Lemmings are small rodents, usually found in or near the Arctic. ...

They are in general medium to large birds, typically with grey or brown plumage, often with white markings on the wings. They have longish bills with a hooked tip, and webbed feet with sharp claws. They look like large dark gulls, but have a fleshy cere above the upper mandible. They are strong, acrobatic fliers. Orders Many - see section below. ...

Skuas are related to gulls, waders, auks and skimmers. The skuas are often split into two genera with only the smaller species retained in Stercorarius, and the large species transferred to Catharacta, but there is no real genetic basis for this separation. Pomarine Skua is in fact more closely related to Great Skua than it is to either Arctic or Long-tailed Skuas. Genera Pagophila Larus Rissa Creagus Xema Rhodostethia Seagull in flight. ... Families Charadridae Jacanidae Rostratulidae Ibidorhynchidae Recurvirostridae Haematopodidae Scolopacidae Dromadidae Burhinidae Glareolidae Thinocoridae Waders, called Shorebirds in North America (where wader is used to refer to long-legged wading birds such as storks and herons), are members of the order Charadriiformes, excluding the more marine web-footed seabird groups. ... Genera Alle Uria Alca Pinguinus Cepphus Brachyramphus Synthliboramphus Ptychoramphus Cyclorrhynchus Aethia Cerorhinca Fratercula Auks are birds of the family Alcidae in the order Charadriiformes. ... The Skimmers are a small family of tern-like birds in the order Charadriiformes, which also includes the waders, gulls and auks. ...


  • Long-tailed Skua or Long-tailed Jaeger, Stercorarius longicaudus
  • Arctic Skua or Parasitic Jaeger, Stercorarius parasiticus
  • Pomarine Skua or Pomarine Jaeger, Stercorarius pomarinus
  • Chilean Skua, Stercorarius chilensis
  • South Polar Skua, Stercorarius maccormicki
  • Brown Skua, Stercorarius antarctica
  • Great Skua Stercorarius skua

  Results from FactBites:
Arctic Skua (579 words)
In Britain the Arctic Skua is confined to breeding in north and west Scotland, at the southern extremity of its circumpolar, high latitude breeding range.
Counting Arctic Skuas is made difficult by the scattered nature of territories in many areas – in Mainland Shetland and Caithness, single pairs may be scattered, often considerable distances from the coast and might be easily overlooked.
Surveys of Arctic Skuas during the SCR Census were conducted in Orkney in 1982 (Meek et al.
The Antarctic Sun: South Pole skua (841 words)
The good news is the skua spotted Dec. 29 was still able to fly and was relatively plump, indicators it was in better health than some previous birds, according to several people who have spent multiple seasons at the station.
But the skua was hardly finding life easy: Smith said it was trying to eat one of the orange flags along the station’s ice runway when he saw the bird.
Skuas, closely related to the gull family, typically have a wingspan of about four feet and weigh two to four pounds.
  More results at FactBites »



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