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Topic: Skua


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In the News (Sun 6 Dec 09)

  
  Arctic Skua
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.
www.jncc.gov.uk /page-2878   (579 words)

  
  The Antarctic Sun: South Pole skua
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.
antarcticsun.usap.gov /oldissues2002-2003/Sun010503/skua.html   (841 words)

  
  Skua - LoveToKnow 1911
SKUA, 1 the name for a long while given to certain of the Laridae (see Gull), birds which sufficiently differ in structure, appearance and habits to justify their separation as a distinct genus, Stercorarius (Lestris of some writers), or even subfamily, Stercorariinae.
Even its proper English name 4 is disputable, but it has been frequently called the Arctic gull or Arctic skua, and it is by far the commonest of the genus in Britain, and perhaps throughout the northern hemisphere.
skua, is not known to exhibit the remarkable dimorphism to which the two preceding are subject.
www.1911encyclopedia.org /Skua   (731 words)

  
  Skua
The skuas are seabirds in the family Stercorariidae.
Skuas nest on the ground in temperate and arctic regions and are long-distance migrants.
skuas are related to gulls, waders, auks and skimmers.
www.ebroadcast.com.au /lookup/encyclopedia/st/Stercorariidae.html   (134 words)

  
 Feedback Online: from the Association for the Study of Animal Behaviour   (Site not responding. Last check: 2007-11-07)
Their data allowed them to compare 'old' pairs (a male and a female skua that had previously reared chicks together) with 'new' pairs (a female and a male skua that were rearing their first brood together).
Skuas are one of a number of seabirds that nest in colonies.
Skuas are sometimes referred to as 'pirates' (or kleptoparasites) to describe one of their methods of getting food.
asab.icapb.ed.ac.uk /exercises/alevel/great_skua_divorce.html   (883 words)

  
 South Polar Skua - Wikipedia, the free encyclopedia
The South Polar Skua, Stercorarius maccormicki, is a large seabird in the skua family Stercorariidae.
Distinguishing this skua from the northern hemisphere Arctic, Pomarine and Long-tailed Skuas is relatively straightforward.
Identification of this skua is more complicated when it is necessary to distinguish it from the closely-related Great Skua of the North Atlantic, and the other large southern hemisphere skuas.
en.wikipedia.org /wiki/South_Polar_Skua   (447 words)

  
 Middle Path Boats: Skua Open-Water, Fixed-Seat Rowing Boats
And Skua brings you all of this in a package that is as light and easily transported as many canoes.
Skua was described by winning racer Cliff Punchard as "corky and dry." Skua continued her winning ways in 1994 with first place finishes in several important coastal races including, once again, the Blackburn Challenge, this time with Ben Booth of Mashpee, MA at the oars.
Skua’s achievements on the racing circuit have inspired a number of imitators; some of them quite impressive in their own ways.
www.by-the-sea.com /middlepathboats/skua.htm   (932 words)

  
 Arctic Skua -- Pictures, Animal Facts, Habitats, Video, Sound, Wallpaper -- National Geographic   (Site not responding. Last check: 2007-11-07)
Skuas steal much of their food from terns, puffins, and other birds that are carrying fish or other prizes back to their nests and young.
Skuas strike by attacking in midair and forcing their victims to drop their kills in flight.
In North America, Arctic skuas are known as parasitic jaegers.
www3.nationalgeographic.com /animals/birds/arctic-skua.html   (397 words)

  
 ANTARCTIC SKUA   (Site not responding. Last check: 2007-11-07)
Skuas lay two speckled eggs on the ground and build a nest around them made up of rocks and pebbles, which helps camouflage the eggs.
Skuas are very protective birds and will attack people if they pass through their breeding area.
She is a regular visitor who is often fed. Skuas and other birds and penguins are constantly stealing each other's pebbles because there are not enough pebbles to go around.
www.crescenthd-p.schools.nsw.edu.au /skua.html   (257 words)

  
 Skuas and Jaegers
Skuas are closely related to gulls, terns, skimmers, and alcids; indeed, some authors follows Sibley and Monroe (1990) in considering them simply a tribe (not even a subfamily) of an expanded Laridae family.
Although related to gulls, all the skuas show adaptations associated with their piratical and predatory way of life, and with their breeding at high latitudes close to both poles.
While any particular jaeger or skua may chase most any bird that has food, here on Monterey Bay the migrations of the three jaegers are closely tied with the migrations of three smaller seabirds.
montereybay.com /creagrus/skuas.html   (1352 words)

  
 Warrior Models 1/48 Skua   (Site not responding. Last check: 2007-11-07)
The Blackburn Skua was the result of a requirement framed by the Air Ministry in 1934, a requirement that - while technically imaginative - owed much to contemporary tactical misconceptions about the role of carrier aircraft, calling as it did for a multi-purpose fleet defense fighter and dive bomber.
Sadly, this was not the fate of the Skua.
The Skua was created by Blackburn's chief designer, G.E. Petty, and was the first British shipboard aircraft to be built as an all-metal cantilever monoplane, as well as the first British aircraft designed from the outset to be a dive bomber.
m2reviews.cnsi.net /reviews/allies/gb/cleaverskua.htm   (1721 words)

  
 Skuas - Wildlife of Antarctica - Antarctic Connection   (Site not responding. Last check: 2007-11-07)
Some scientists believe decreases in skua populations on some islands may be due to declines in burrowing petrel numbers (a key prey species) from predation by introduced cats.
Large, heavily built birds, skuas are closely related to members of the gull family.
Antarctic skuas breed on most of the southern islands and may be distributed as far north as the subtropics, while South Polar skuas occur primarily on the Antarctic continent, although sightings have been recorded as far north as Greenland and the Aleutian Islands.
www.antarcticconnection.com /antarctic/wildlife/birds/skuas.shtml   (530 words)

  
 Blackburn Skua aircraft profile. Aircraft Database of the Fleet Air Arm Archive 1939-1945
The Blackburn Skua was a pre-war low-wing monoplane dive bomber with a distinctive 'greenhouse' cockpit.
Skuas were the first British aircraft to shoot down a German aircraft in World War Two, and Skuas sank the German cruiser Koenigsberg which was the first large warship sunk by allied forces in the war.
At dawn on 10 April 1940, 16 Skua aircraft from the 800 and 803 squadrons flying from Hatston in the Orkneys sank the German cruiser Konigsberg in Bergen harbour.
www.fleetairarmarchive.net /Aircraft/Skua.htm   (1037 words)

  
 Ageing and moult in Catharacta skuas - surfbirds.com
In this respect, analysis of mitochondrial DNA from the "Scilly Skua" could prove vital if we are to establish a set of workable identification criteria for separating Catharacta skua species from one another, therefore we eagerly await news of this.
This is supported by close examination of the known-age captive skuas which, when in their second and third calendar years, revealed that even the darkest birds showed some signs of pale feather centres, usually on the lesser coverts and rear scapulars.
It is clear from the evidence presented here that timing of moult in all Catharacta skuas is confusing and the use of moult status at a particular time of year may not be a reliable method of identification.
www.surfbirds.com /mb/Features/skua-identification.html   (2258 words)

  
 NatureWorks - South Polar Skua   (Site not responding. Last check: 2007-11-07)
The south polar skua is a stocky gull-like bird that is about 21 inches in length.
The south polar skua eats fish, krill, squid, carrion, crustaceans, mollusks and the eggs and chicks of seabirds.
The female south polar skua lays one or two eggs in a depression in the ground, usually located in a sheltered area like a rocky outcropping or a cliffside.
www.nhptv.org /natureworks/southpolarskua.htm   (174 words)

  
 Long Tailed Skua
Skuas breed along the sea coasts and inland away from the sea and they breed on the bare ground at high altitudes and when they migrate they fly to the opposite hemisphere.
The main colors of the Skua are either dark or light brown on the top part of its body and a variable lighter color of brown on its chest and lower body parts.
The Skuas are fast and mobile enough that when the other birds drop their food the Skuas catch the food in mid air.
www.suite101.com /article.cfm/birding/82938/1   (487 words)

  
 South polar skua, Stercorarius maccormicki   (Site not responding. Last check: 2007-11-07)
The second feature that leaves the great skuas in uncertain relationship is that while Great Skuas and South Polar Skuas could be differentiated the other four taxa they recognised were too similar to be placed on an evolutionary sequence within their clade.
In the South Polar Skua, uniquely within the family, and almost without precedent within sea birds, lethal sibling aggression is common and results in brood reduction from two hatchlings to a single chick.
Long term research of the skuas on Mangere and Rangatira islands in the Chathams has found that these groups are very stable entities, lasting for many years with the same members, and comprise a single female and two to several males.
www.nzbirds.com /birds/skuasouthpolar.html   (1637 words)

  
 Lincolnshire Bird Club - Arctic Skua
A small skua was found on the beach at Huttoft and the initial impression was that it was in some difficulty for it seemed very inactive and reasonably approachable.
Although a Long-tailed Skua was considered, this identification was dismissed as the plumage features on the bird were scrutinised and evaluated.
Owing to the strength of barring on the flanks and undertail-coverts and the strength of the fringing of the upperparts feathers, the bird was aged as a juvenile.
www.lincsbirdclub.co.uk /rare_birds/arctic_skua.htm   (531 words)

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