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Topic: Black-throated Diver

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Probert Encyclopaedia: Nature (Bl-Blas) Black Bryony (Tamus communis) is a plant of the family Dioscoreaceae (the yams) and not a Bryony at all. Black horehound (Ballota nigra) is a perennial European herb of the family Labiate with a short, stout, rhizome and erect or ascending, branched, square and leafy stems. The black poplar (Populus nigra) is a large deciduous tree native to Britain, with spreading branches that arch downwards, and a brown, later greyish- black coloured, deeply furrowed bark. www.probertencyclopaedia.com /B1F.HTM   (1802 words)

DIVER - LoveToKnow Article on DIVER Next in size is the black-throated diver, C. arcticus, having a light grey head and a gular patch of purplish-black, above which is a semicollar of white striped vertically with black. The commonest species of Cal ymbus is C. septentrionalis, known as the red-throated diver from an elongated patch of dark bay which distinguishes the throat of the adult in summer dress. The abortion of the rectrices in the gerbes, while these feathers are fairly developed in the divers, is another point that helps to separate the two Families. 98.1911encyclopedia.org /D/DI/DIVER.htm   (485 words)

Pacific Diver - Wikipedia, the free encyclopedia The Pacific Diver (Gavia pacifica), known in North America as the Pacific Loon, is a medium-sized member of the loon, or diver, family. This species, like all divers, is a specialist fish-eater, catching its prey underwater. Non-breeding plumage is drabber with the chin and foreneck white. en.wikipedia.org /wiki/Pacific_Diver   (182 words)

Black Throated Diver In the northern regions of the Atlantic Ocean the Black Throated Diver chooses to inhabits the lakes of Greenland and migrates to the seacoast waters in winter. The upper parts of The Black Throated Diver's oval shaped body are glossy black, tinted slightly green near the tail and shaded with brown. The Black Throated Diver is decreasing in population because of disturbances by man, plundering by other animals, over fishing, acid rains and oil pollution at sea. www.suite101.com /article.cfm/birding/84758   (1208 words)

DIVER - LoveToKnow Article on DIVER Next in size is the black-throated diver, C. arcticus, having a light grey head and a gular patch of purplish-black, above which is a semicollar of white striped vertically with black. The commonest species of Cal ymbus is C. septentrionalis, known as the red-throated diver from an elongated patch of dark bay which distinguishes the throat of the adult in summer dress. Like most birds of their build, they chiefly trust to swimming, whether submerged or on the surface, as a means of progress, but once on the wing their flight is strong and they can mount to a great height. www.1911encyclopedia.org /D/DI/DIVER.htm   (485 words)

Birds of Central Siberia -> Black-throated Diver The Black-throated Diver, a Holarctic tundra and taiga species, is the commonest of the divers in Central Siberia, breeding on medium-sized and large lakes. Later in the breeding season, particularly during the algae bloom in eutrophic lakes, the divers regularly feed on the Yenisey, both along the river's edge and in deeper water. The factors preventing the birds from breeding directly on the river are the vulnerability of the banks to predators, disturbances by material transported by the river, and the muddy water, a result of active erosional processes. res.krasu.ru /birds/eng/txt/txt_gaar.shtml   (417 words)

Red-throated Diver - Wikipedia, the free encyclopedia The Red-throated Diver, known in North America as Red-throated Loon (Gavia stellata) is the smallest member of the loon or diver family, typically 55-67 cm (24" to 27") in length with a 91-110 cm wingspan. This species, like all divers, is a specialist fish-eater, diving over 25 feet to catch its prey. Its thin upturned bill is grey or whitish; the upward turn is unique among diver species. en.wikipedia.org /wiki/Red-throated_Diver   (188 words)

Loon A loon is the size of a large duck, to which it is unrelated; its plumage is largely grey or black, and it has a spear-shaped bill. The loon or diver is a type of aquatic bird found in many parts of North America and northern Europe. These were previously considered the most ancient of the northern hemisphere bird families, but it has recently become clear that the Anseriformes (ducks, geese and swans) and the Galliformes (the pheasants and their allies) are older groups. www.brainyencyclopedia.com /encyclopedia/l/lo/loon.html   (334 words)

DIVER - Online Information article about DIVER The commonest species of Colymbus is C. septentrionalis, known as the red-throated diver from an elongated patch of dark by which distinguishes the See also: joint in the grebes and divers differs in that the former have a distinct and singularly formed patella (which is undeveloped in the latter) in addition to the prolonged, pyramidally formed, procnemial process—which last may, from its exaggeration, be regarded as a See also: Still bigger is the great northern diver, C. glacialis. encyclopedia.jrank.org /DIO_DRO/DIVER.html   (1148 words)

Black Throated Diver The headshape was nicely domed and the head and neck were contrast black and white, the division of which was below the level of the eye and sharply demarcated. The overall impression was of a contrast bird, black above and white below with a long, low body profile and a white rear flank patch which, due to the rough water state was most noticeable when the bird either dived or when the birds body was lifted up on a wave. Head+Neck : Due to the nature of the strong wind/choppy water, the bird was forced to tilt it's head at an angle, upwards, not unlike a R.T. Diver, however, the bill was straight and slender with a darker upper mandible, contrasting slightly with the greyer lower mandible. www.eastlancashirebirding.nstemp.net /bltdiverstocks00article.htm   (354 words)

Caithness CWS - Front Page Bulletins - April 2004 - Liam Henderson Black-throated divers nest on small islands in lochs, or on the loch shore and around 30% of these nests fail annually due to fluctuating water levels. Confirming the SNH grant, development officer, Ian Mitchell, said: "The black-throated diver is a particularly rare and vulnerable bird and an important part of Scotland's biodiversity. The total UK population of breeding black-throated divers is believed to be less than 200 pairs. www.caithness.org /fpb/april2004/blackthroateddiver   (443 words)

Black-throated Diver The Black-throated Divers sommercoat is on the upperparts black but with a bluecoloured tinge. The Diver walk very badly because of the feet placement and therefore the Diver build its nest very close to the water on a islet or a mound in the lake, so its possible for the Diver just to worm its way to the nest. During the wintering the Diver is very often seen flying along the Danish cost. www.gamehuntersguide.com /Encyclopedia/Animals/Birds/Divers/Black-throated%20Diver.htm   (250 words)

Wildlife - Black-throated Diver In summer, unmistakable with blue-grey head and nape, black throat and black and white stripes on side of neck. Belly and underparts white, wings and upperparts black with chequerboard of white spots on back. In winter, has mainly blackish upperparts and white underparts; white 'thigh' patch often visible at water level. www.tiscali.co.uk /reference/encyclopaedia/wildlife/birds_black-throated_diver.html   (72 words)

Inland Waters: The Black-Throated Diver - Swedish EPA It is quite something on a still morning to see a black-throated diver slowing swimming across a shining mirror of water while the last threads of mist dissolve in the rays of the rising sun. During the nesting season the black-throated diver is easy to recognise by its smooth satiny grey head and gently rounded neck. Its neck and throat are jet black; the sides of its neck have black and white stripes and its back is chequered black and white. www.internat.environ.se /documents/nature/nacatego/inlwat/moreinf/diver.htm   (358 words)

DiverNL3.doc Black-throated divers breeding in SW Sweden had less mercury (mean 2 ug/g) than Red-throated in the same area. David Okill, Helinabretta, Trondra, Shetland ZE1 0XL, UK The bulk of the Red-throated Diver (RTD) population in Britain is concentrated in the North Isles, although pairs are scattered through the north-west of Scotland and the Western Isles, with a handful in Ireland. Eggs from Red-throated Diver in an acidified area in SW Sweden had significant higher levels of mercury (mean 7.0 ug/g d.w.) than divers breeding in central Sweden (mean 2.7 ug/g d.w.). www.briloon.org /bri/workinggroups/DiverNL3.doc   (1965 words)

Divers to Ducks - The Birds of Northamptonshire Red-throated Diver breeds in northern Europe including north-west Scotland and winters all around the British coast. The Black Stork breeds in central Europe and the Iberian peninsula and winters in tropical Africa. The large number of records in the winter of 1978/9 were part of an unusually high influx of divers and grebes inland. www.northamptonshirewildlife.co.uk /npton/SYS1.HTM   (3128 words)

Plate No. 477 One of the most remarkable circumstances relative to this beautiful bird, which is intermediate between the Red-throated Diver and the Loon, is the extraordinary extent to which the wanderings of the young are carried in autumn and winter. The upper parts are glossy black, tinged with green anteriorly, and shaded with brown behind. It breeds in the remote regions of the north, from which many of the old birds, it would seem, do not remove far, while the young, as soon as they are able to travel, take to wing and disperse, spreading not only over the greater part of the United States, but beyond their south-western limits. www.audubonhouse.org /audubon/octavo/detail.cfm?image_id=0477   (1238 words)

* Diver - (Bird): Definition The Red-throated Diver breeds in very high latitudes round the Arctic in both Eurasia and North America. A surface diver for fish, Comorants must dry their wings periodically (like the one in the photograph is doing). The bufflehead is a diver and unlike other diving ducks can take flight from water without having to run along the surface. en.mimi.hu /bird/diver.html   (896 words)

Black throated diver A black throated diver has been known to swim a quarter of a mile under water before coming up for air. www.feversham.ngfl.ac.uk /birds/Black%20throated%20diver.html   (32 words)

mikebirdart - black-throated diver One of the Highlands' most inspiring species, the summer-plumaged Black-throated Diver is a joy to paint. Catching a typical wary pose, the Black-throated Diver is probably my favourite bird to watch. Another example of working with both a knife and a brush, giving a little more detail, which becomes necessary when working on smaller pictures such as this, but still keeping the 'naivety' that comes with the less precise knife. basic1.easily.co.uk /05700B/044004/btdiver.html   (122 words)

Canadian National Symbols They are generally found singly or in pairs, but some species, especially the Arctic loon, or black-throated diver (G. arctica), winter or migrate in flocks. Colour varies from whitish to nearly black but in general is grayish or brownish with lighter underparts; the coat is thick and consists of hard, brittle outer hairs covering a dense underfur. The common loon, or great northern diver (G. immer), is the most abundant loon in North America; its counterpart across Eurasia is the similar white- (or yellow-) billed diver (G. adamsii). shoebox.heindorffhus.dk /frame-CanadaNatSymbols.htm   (1247 words)

Red-throated Diver The Red-throated Diver is like the other Divers a heavy build aquatic bird, with a long and flattened looking body, long narrow wings and a very short tail. Outside the breeding season the Red-throated Diver also is seen in Denmark along the coasts or out on open water The nest is made in the waterside vegetation so the Diver only has to worm its way to the nest. www.gamehuntersguide.com /Encyclopedia/Animals/Birds/Divers/Red-throated%20Diver.htm   (211 words)

Portland Bird Observatory - birds sightings January 2001 Seawatching at the Bill produced 8 Red-throated Divers, 7 Wigeon and 2 Brent Geese, whilst on the land there were 6 Fieldfares, a Redwing and a Black Redstart. Elsewhere around the Island there were 2 Black Redstarts at Weston and another 2 at the Bill, 7 Purple Sandpipers at the Bill, and 2 Red-throated Divers and the wintering flock of Common Scoter off the Bill. All the news today came from the Bill, where seawatching produced 10 Red-throated and a Black-throated Diver, as well as the adult Glaucous Gull that was seen following a fishing-boat in the afternoon; on the land there was just a single Purple Sandpiper and a Black Redstart. www.btinternet.com /~portlandbirdobs/birds_jan2001.htm   (2191 words)

MSHIN-6.HTM Divers: Black-throated diver is a common passage migrant, with several hundreds of birds passing through the area in spring. Hundreds of non-breeding and moulting black-throated divers can be seen in autumn. Red-throated diver occurs on migration in small amounts. www.wetlands.org /programs/RussiaCD/eng/MSHIN-6.HTM   (280 words)

Black-throated diver rafts - The Royal Society for the Protection of Birds Black-throated divers are a rare breeding bird on freshwater lochs in Scotland. Campbell, I H and Mudge, G P (1989) Conservation of black-throated divers in Scotland. Artificial floating islands for nesting black-throated divers Gavia arctica in Scotland; construction, use and effect on breeding success. www.rspb.org.uk /countryside/managingreserves/habitats/b_t_diver_rafts/index.asp?view=print   (141 words)

Eurasian Red Squirrel on About Animals! Eurasian red squirrel (in MARION) Eurasian red squirrel. Sciurus vulgaris Eurasian red squirrel Egern Orava Ecureuil roux... Eurasian Red Squirrel, Sciurus vulgaris, Eurasian Red Squirrel... eurasian-red-squirrel.aboutanimals.net   (230 words)

AllRefer.com - loon (Vertebrate Zoology) - Encyclopedia North American species include the common loon, or great northern diver (Gavia immer), a black and white bird about 32 in. They are expert swimmers and divers, sometimes slipping below the surface to swim underwater, but they cannot walk on land and at nesting time must use bill and wings to inch along. Like the grebes, loons float low in the water and their legs are placed far back. reference.allrefer.com /encyclopedia/L/loon.html   (227 words)

Canadian National Symbols They are generally found singly or in pairs, but some species, especially the Arctic loon, or black-throated diver (G. arctica), winter or migrate in flocks. The common loon, or great northern diver (G. immer), is the most abundant loon in North America; its counterpart across Eurasia is the similar white- (or yellow-) billed diver (G. adamsii). During the breeding season the dorsal plumage is patterned with white markings, except in the red-throated loon (species Gavia stellata), which, during the summer, is distinguished by a reddish brown throat patch. shoebox.heindorffhus.dk /frame-CanadaNatSymbols.htm   (1247 words)

BirdForum - red throated diver divers are generally approachable due to the fact they rarely come across humans, breeding well away from humans usually, so when they turn up inland they often show very, very well if the're close enough to the bank. A friend saw a similar diver on the bottom Roddlesworth reservoir (close to the Hare and Hounds in Abbey Village - about 6 miles away, as the diver flies) during the first week that the bird was in residence at Birkacre. I've regularly watched RT Divers at their nests (I've a relative who constructs and monitors diver rafts in Argyll), summer feeding at sea, and coastal wintering birds - none, adult or juvenile, has behaved in the manner of the Chorley bird. www.birdforum.net /showthread.php?t=24904   (928 words)

mikebirdart - red-throated diver One lone Red-throated Diver on a loch, portraying the single existence in summer of how desolate life in the wilds is for these stunning breeders. Done totally with a knife, this old work is based on the water, in the style that has become the norm of late, by layering various shades of blue, and placing the bird on top. In 2004 I was commissioned to do paint a moody, atmospheric piece for a gentleman in old London Town, and through the use of various soft brushes and subtle colours managed to obtain the desired effect. basic1.easily.co.uk /05700B/044004/rtdiver.html   (114 words)

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