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Calidris Reference Libraries

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Great Knot Calidris tenuirostris
2013-04-23 23:23:04

The Great Knot (Calidris tenuirostris) is a small sized wader, although, it is the largest of the calidrid species. Their breeding habitat is tundra in the northeast parts of Siberia. They nest on the ground, laying about four eggs in a ground scrape. They are strongly migratory, wintering on the coasts in southern Asia through to Australia. This species forms extremely large flocks during...

Great Knot Calidris tenuirostris
2012-10-29 15:22:28

A long-legged wading bird, The Great Knot, is the largest of the calidrid species. They breed in the tundra of North Siberia, and migrate strongly in the winter to the coasts of Southern Asia through Australia, traveling in very large flocks. They lay about four eggs on the ground in a ground scrape. Great Knots migrate over long distances and use a limited number of staging sites during its...

Upland Sandpiper
2009-02-28 22:30:52

The Upland Sandpiper (Bartramia longicauda) is a species of shorebird found in open grasslands and fields across central North America and Alaska. It is migratory and winters in South America. It is a very rare visitor to Europe, and mostly only occurs in the Isles of Scilly, where it can be very tame. It used to be known as the Upland Plover or the Bartram's Sandpiper. The genus name...

Wood Sandpiper
2009-02-28 22:28:58

The Wood Sandpiper (Tringa glareola) is a species of wading bird that breeds in sub-Arctic wetlands from the Scottish Highlands across Europe and Asia. It is migratory and winters in Africa and southern Asia, including India. Its preferred winter habitat is fresh waters. This bird has a short fine bill, brown back and long yellowish legs. It has a small white rump patch. It is closely...

Green Sandpiper
2009-02-28 22:20:20

The Green Sandpiper (Tringa ochropus) is a species of wading bird that breeds across sub-Arctic Europe and Asia. It is migratory and winters in southern Europe and Asia, and tropical Africa. This bird has a dark green back, grayish head and breast and otherwise white underparts. The back is spotted heavily in breeding adults. Spotting is less apparent in young birds and less visible in the...

Semipalmated Sandpiper
2007-10-26 13:29:12

The Semipalmated Sandpiper (Calidris or Erolia pusilla), is a very small shorebird. They are long distance migrants and winter in coastal South America with some going to the southern United States. They migrate in flocks which can number in the hundreds of thousands, particularly in favored feeding locations such as the Bay of Fundy and Delaware Bay. This species is a rare but regular vagrant...

Ruff
2007-10-26 13:26:59

The Ruff (Philomachus pugnax), is a medium-sized wading bird. It is usually considered the only member of its genus Philomachus, but more recent research indicates that the Broad-billed and Sharp-tailed Sandpiper may belong there too. Their breeding habitat is bogs, marshes and wet meadows with short vegetation in northern Europe and Russia. The Ruff is migratory, wintering in southern and...

Bairds Sandpiper
2005-06-14 11:48:57

The Baird's Sandpiper, Calidris bairdii is a small shorebird. Adults have black legs and a short thin dark bill. They are dark brown on top and mainly white underneath with a black patch on the rump. The head and breast are light brown with dark streaks. In winter plumage, this species is paler brownish gray above. This bird can be difficult to distinguish from other similar tiny shorebirds;...

Red Knot
2009-04-01 13:32:49

The Red Knot (Calidris canutus), or Knot in Europe, is a species of bird found in the tundra and Arctic mountains in the far north of Canada, Europe and Russia. North American birds migrate to coastal Europe and South America, while European birds migrate to Africa, Papua New Guinea, Australia and New Zealand. This species has an extensive range and a large population of about 1.1 million...

Dunlin
2009-03-28 15:54:45

The Dunlin (Calidris alpina) is a species of wading bird found in the Arctic and sub-Arctic regions of northern Europe, Asia, Alaska, and northern Canada. Europe and Asia populations migrate south to Africa and southeast Asia. Alaskan and Canadian birds migrate to the Pacific and Atlantic coasts of North America. Some northern Alaskan nesting colonies migrate into Asia. It is a highly...

Word of the Day
siliqua
  • A Roman unit of weight, 1⁄1728 of a pound.
  • A weight of four grains used in weighing gold and precious stones; a carat.
  • In anatomy, a formation suggesting a husk or pod.
  • The lowest unit in the Roman coinage, the twenty-fourth part of a solidus.
  • A coin of base silver of the Gothic and Lombard kings of Italy.
'Siliqua' comes from a Latin word meaning 'a pod.'
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