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Topic: Pomarine Skua


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  Natural Born Birder - Skogsøy - Pomarine Skua
Pomarine Skua is a relatively scarce, though regular spring migrant at Skogsøy with a peak sometime in the second half of May. Large numbers can be seen under strong onshore winds but this is a relatively rare event.
Often this species comes past at close range following the coast and the sight of these fantastic birds with their remarkable tails is a real experience.
One thing I have noted is that this species often tends to pass early in the morning, and on days when Arctic Skua are also passing there regularly seems to be something of a changeover around 0800 after which few "poms" are seen.
www.naturalbornbirder.com /skogsoey/species/p_skua.php   (511 words)

  
  Skua - Wikipedia, the free encyclopedia
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.
en.wikipedia.org /wiki/Skua   (227 words)

  
 Pomarine Skua - Wikipedia, the free encyclopedia
The Pomarine Skua, Stercorarius pomarinus, known as Pomarine Jaeger in North America, is a seabird in the skua family Stercorariidae.
This is a large skua at about 45cm length, excluding the central tail feathers of the summer adult, which can add another 10cm or so.
Identification of this skua is complicated by its similarities to Arctic Skua and the existence of three colour phases.
en.wikipedia.org /wiki/Pomarine_Skua   (337 words)

  
 [No title]
Pomarine and Arctic Skuas have been seen in the spring but only in very small numbers, partly because the area is under-watched at this time of the year.
Pomarine Skua is circumpolar in distribution, breeding on tundra habitat north of the Arctic Circle.
Pomarine Skuas are regularly encountered between the months of August and November and are seen on most trips, although it would be unusual to see more than ten on a single trip.
www.biscay-dolphin.org.uk /top/birds3.html   (2098 words)

  
 South polar skua, Stercorarius maccormicki   (Site not responding. Last check: 2007-10-19)
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)

  
 Separation of South Polar Skua from dark Pomarine Jaeger
In this case I think the appearance of a larger head on the skua is mostly an illusion created by the broader body (thicker neck) and shorter tail, so that an observer trying to identify a skua by its “large head” should be concentrating instead on other things.
Pomarine Jaeger wings are narrower, appearing longer, and are often angled.
Also, the skua’s wings appear to be attached farther back on the body, whereas the Jaeger has a more “balanced” shape and the wings appear to be attached around the middle of the bird.
www.sibleyguides.com /skua_vs_poja.htm   (680 words)

  
 AUGUST 2000 BIRD SUMMARY   (Site not responding. Last check: 2007-10-19)
Offshore 2 Pomarine Skuas flew north and 2 fl terns flew south.
A Pomarine Skua flew north and in the evening 530 sandwich, 1560 common and artic and 2 fl terns flew south.
a further 6 sooty shearwaters flew north offshore, with a Pomarine and 184 oystercatchers south, and a purple sandpiper was on the canal.
www.spurnpoint.com /august.htm   (1066 words)

  
 Pomarine Skua (Stercorarius pomarinus)
Pomarine Skuas are most likely to be seen as distant shapes flying over a stormy sea, identifiable only by the dedicated birdwatchers who have spent dozens of hours watching empty seas and hoping for moments such as this.
The easiest way to identify Pomarine Skuas is by their distinctive central tail feathers; long, broad and twisted like a pair of spoons sticking out beyond the rest of the tail.
For the purposes of our bird news services, Pomarine Skua is classed as Local: generally fairly regular or common species that a 'county lister' or a birding beginner might be interested in going to see.
www.birdguides.com /species/species.asp?sp=060005   (496 words)

  
 The RSPB: Pomarine skua
The pomarine skua is a large seabird, nearly as big as a herring gull.
There are two colour forms: dark - birds are all dark brown with small white flashes on the wings; light - birds have a pale breast and a dark cap on their heads.
Pomarine skua in flight, seen from Flamborough RSPB cruise - Lawrie Phipps
www.rspb.org.uk /wildlife/birdguide/name/p/pomarineskua/index.asp   (413 words)

  
 * Arctic Skua - (Bird): Definition
seen skua around the coasts and harbours of the New Zealand mainland is the Arctic Skua from Northern Hemisphere.
The Parasitic Jaeger (known in most of the world as the Arctic Skua) is medium in size between the smaller Long-tailed Jaeger and larger Pomarine Jaeger...
The skua downunder is the skua called Brown Skua by Olsen and Larson and Antarctic Skua by Harrison.
en.mimi.hu /bird/arctic_skua.html   (138 words)

  
 Seabird Osteology Skulls Skuas Stercorariidae
The five species of skuas are more or less of the same size and appearance.
The South Polar Skua Catharacta maccormicki has three color morphs and might show a lighter colored bill in most birds of the dark morph and blue in young birds of the pale morph.
Pomarine and Parasitic Jaeger are both polymorphic and sometime difficult to distinguish.
www.soldaat.com /edward/seabirds_skulls/skuas_stercorariidae.htm   (425 words)

  
 Skuas in Hampshire
Described by BOH as a scarce passage migrant, Pomarine Skuas are a much desired species by many birders.
BOH describes Great Skua as a very scarce passage migrant most frequent in spring and autumn but recorded in all months.
Autumn records follow a similar pattern to Arctic Skua with records between August and October and as with Arctics the most significant passage is noticed after south westerly gales.
mysite.wanadoo-members.co.uk /birdsofhants/species/skuas.htm   (656 words)

  
 Brown skua, Catharacta or Stercorarius lonnbergi   (Site not responding. Last check: 2007-10-19)
This lack of differentiation, together with the close affinity between the northern Atlantic Great Skua and the Pomarine Skua, indicate a Northern Hemisphere origin for the great skuas, not a Southern Hemisphere one, with just one equator- crosser, as has been traditionally considered.
Until more research is done and a consensus about the status of pomarinus is reached it is, therefore, a matter of personal choice how these birds are named — whether the classifications shown in 1 or 2 are used.
Brown Skuas are noisy and very obvious members of the avian fauna on all of New Zealand’s southern islands, with substantial breeding numbers on the Chatham islands (but not Pitt or main Chatham), on the off–shore Stewart Islands, Antipodes, Snares, Auckland and Campbell.
www.nzbirds.com /birds/skuabrown.html   (1571 words)

  
 BirdForum - Pomarine Skua on Breydon Water ?
The bird sounds like a skua (jaeger) to me - the pale in the bill could be a remnant of immaturity but otherwise it sounds like a normal dark(ish) adult.
Pomarine, or any other skuas for that matter, do not have green legs - as juveniles the legs are chalky white, as adults they are flish, at intervening stages they are patchy.
To confirm the age you need to note the pattern of the underwing and to confirm the species it would be helpful to note pale forehead patches of Arctic.
www.birdforum.net /showthread.php?t=6755   (1432 words)

  
 New England Seabirds - Pomarine Jaeger
This is probably the reason that Pomarine Jaegers do not nest in the same spot year after year and do not mate for life.
Male Pomarine Jaegers wander the breeding territory searching for a spot with adequate Lemmings.
Skuas and other jaeger species show site and mate fidelity.
www.neseabirds.com /jaegerpom.htm   (284 words)

  
 Birding Madeira - Trip reports
Highlights: Besides Trocaz Pigeons (24 on 15th), Zino's Petrel (3 heard at the breeding ledges on Pico de Ariero on the night of the 18th/19th), Cory's, Little and Manx Shearwaters, birds of particular note were Brambling, Sand Martin, Great Skua, Arctic Skua and Spectacled Warbler.
Other sightings was Garganey (new to Madeira), Quail, Little Stint (1), Long-tailed Skua (11), Roseate Tern (at least 4), Turtle Dove (1), Great Spotted Cuckoo (1), Pallid Swift (7), Spectacled Warbler (many) and Rock Sparrow (many).
Species such as Great and Pomarine Skua, Barn Owl, Common and Pallid Swift, Willow Warbler, Starling and Siskin was also seen.
madeira.seawatching.net /reports.html   (2317 words)

  
 Phalaropes to Wagtails - The Birds of Northamptonshire   (Site not responding. Last check: 2007-10-19)
Pomarine Skua is a pelagic species that breeds in northern Russia and winters scattered across the Atlantic, mostly north of the equator.
On the northward migration, Pomarine Skua is often associated with large movements in late April and early May but as yet this has not led to any county records.
Long-tailed Skua breeds in Norway and northern Russia and winters in the South Atlantic.
www.northamptonshirewildlife.co.uk /npton/SYS3.HTM   (4407 words)

  
 The evolution of skuas is puzzling in several respects. Based on cladistic analysis of behaviour and review of other ...   (Site not responding. Last check: 2007-10-19)
The evolution of skuas is puzzling in several respects.
Behavioural, parasitological and four kinds of genetic evidence now show that the Pomarine Skua Stercorarius pomarinus is more closely related to great skuas, usually placed in the genus Catharacta, than to the two smaller Stercorarius species.
Plumage coloration among skuas is puzzling, as the adult plumage of great skuas differs much from that of other skuas.
www.oikos.ekol.lu.se /Jab.30.2.abstracts/2149.html   (223 words)

  
 Summary   (Site not responding. Last check: 2007-10-19)
Catharacta skuas are large-bodied and with one exception breed in the Southern Hemisphere.
Stercorarius skuas (otherwise known as jaegers) are smaller bodied and breed exclusively in the Northern Hemisphere.
Three possible explanations that might account for this discordant aspect of skua phylogeny are explored.
www.gla.ac.uk /ibls/DEEB/rwf/refs/epsas.htm   (236 words)

  
 New England Seabirds - South Polar Skua or Dark Phase Pomarine Jaeger
The Skua (identified and reported as a South Polar Skua) was first spotted by those at the front of the boat sitting on the water.
However given the number and experience of observers, the length of time in which the bird was seen and a yet undeveloped photograph to confirm or deny this identification, I reported this bird as a South Polar Skua to the BBC hotline.
In a nutshell, this bird looks like a dark sub-adult Pomarine Jaeger to me. I know that ID from photos like this can be hard, I'm not particularly experienced at it, and these photos are certainly not exactly what I'd want, but I'm pretty sure on this one.
www.neseabirds.com /acpb1.htm   (1538 words)

  
 June-Aug99
White-tailed Eagle 1 migrated SW, Pomarine Skua 3 1K, Lesser Black-backed Gull 1 1K, Glaucous Gull 1 adult sitting on a roof in the middle of the town is certainly the same bird as the last three Winters (same behaviour), Guillemot/Razorbill 752, Little Auk 2, Swallow 1, Snow Bunting 75.
Fulmar 300, Pomarine Skua 24 is highest count this autumn.
Arctic Skua 2, Glaucous Gull 1 at the Harbour.
home5.inet.tele.dk /ec-skaw/june-aug99.htm   (2734 words)

  
 Portland Bird Observatory - birds sightings May 2001   (Site not responding. Last check: 2007-10-19)
Two Arctic and a Pomarine Skua passed the Bill in the morning, but otherwise the sea was as quiet as the land.
The arrival of clearer westerly weather all but halted sea passage, with the Bill producing just 2 Great Northern Divers, a Storm Petrel, a Pomarine Skua and a handful of waders and commic Terns; a lone Mute Swan settled on the sea off the Bill was another unexpected sight during the morning.
May arrived with grey skies, a blasting north-east wind and frequent heavy rain, and, not surprisingly, migrants were at a premium for most of the day.
www.portlandbirdobs.btinternet.co.uk /birds_may2001.htm   (2825 words)

  
 Skua -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-10-19)
The skuas are (A bird that frequents coastal waters and the open ocean: gulls; pelicans; gannets; cormorants; albatrosses; petrels; etc.) seabirds in the family Stercorariidae.
Skuas nest on the ground in temperate and arctic regions and are long-distance (Traveler who moves from one region or country to another) migrants.
(Gull-like jaeger of northern seas) Skua is also a (The people of Great Britain) British sounding rocket.
www.absoluteastronomy.com /encyclopedia/s/sk/skua.htm   (537 words)

  
 Kamusi - Search Results
The results for 'skua' are displayed below in alphabetical order, so please do not assume that the first entry you see is the best result.
pomarine skua, pl pomarine skuas { Swahili: skua pomarina, pl skua pomarina } [Terminology: ornithology]
Arctic skua, pl Arctic skuas { Swahili: skua wa Akitiki, pl skua wa Akitiki } [Terminology: ornithology]
research.yale.edu /cgi-bin/swahili/lookup.cgi?Word=skua&EngP=1   (172 words)

  
 Marine Wildlife at SOC
A juvenile Long-tailed Skua headed south straight overhead, and good numbers of Great and Arctic Skuas, Gannets and Common Terns were also moving south.
Great Skuas, Gannets, Fulmars and Common Terns were abundant, and a single exhausted Knot and a Greenland Wheatear arrived on board (20th).
I was reminded that I was 100 km offshore by a superb adult Long-tailed Skua, two adult Pomarine Skuas, an adult Arctic Skua, and a brief Fin Whale.
www.soc.soton.ac.uk /marine_wildlife/pre2001.html   (2051 words)

  
 Sandgrouse - Seabirds off Lebanon
Pomarine Skua Stercorarius pomarinus was seen on all dates except 11 April: all those seen well were considered to be first- or second-summer birds.
Three or four other skuas were too far away to be identified.
Macfarlane (1978) also recorded Gannet, Pomarine and Arctic Skuas off Ras Beirut between 1974-1977 but his sightings of other seabirds, e.g.
www.osme.org /sand202/seawatch.html   (523 words)

  
 jaeger on Encyclopedia.com   (Site not responding. Last check: 2007-10-19)
Jaegers and skuas are stocky, powerfully muscled birds with long, pointed wings, long tails, strong, hooked bills, and sharp, curved talons.
Jaegers and skuas rob the food of their smaller relatives, teasing and harassing them until they drop their prey.
The skua (Catharacta skua) is the largest and darkest of the family, a denizen of the N Atlantic, though it breeds south to the antarctic.
www.encyclopedia.com /html/j1/jaeger.asp   (585 words)

  
 * Pomarine Skua - (Bird): Definition   (Site not responding. Last check: 2007-10-19)
The Pomarine Skua breeds in the arctic tundra from European Russia, through Siberia to North America and Greenland...
On any pelagic in the New England 0 -2 jaegers may be seen from July - October.
The analysis indicates that skuas and jaegers form a natural clade, with two subclades - one of the great skuas plus the Pomarine Skua, the other of the two smaller jaegers.
www.bestknows.com /bird/pomarine_skua.html   (114 words)

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