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Ecology & Environment
Mahesh

22/11/22 21:45 PM IST

Great Knot

In News 
  • A great knot from Russia, belonging to the endangered Calidris tenuirostris (Horsfield, 1821), has found its way to Kerala’s coast, flying over 9,000 km for a winter sojourn.
  • Recently many juvenile great knots have been tagged with MOSKVA rings in the Kamchatka peninsula in eastern Russia.
Great Knot 
  • A medium-sized bulky wader with a straight, dark-brown bill and yellowish-brown legs.
  • It has a striped crown with an indistinct white eyebrow. Its upperparts are grey, with dark feather tips, its underparts are white.
  • The rump is pure white, the tail is tipped with grey.
  • Breeding plumage consists of darker upperparts with black and chestnut markings.
  • Scientific Name: Calidris tenuirostris
  • IUCN Status - Endangered
  • This species breeds in north-east Siberia, Russia, wintering mainly in Australia, but also throughout the coastline of South-East Asia and on the coasts of India, Bangladesh, Pakistan, and the eastern coast of the Arabian Peninsula.
  • In India, it is found along the coastal regions of Gujarat and Andhra Pradesh.
  • The Yellow Sea of North Korea, South Korea and China is a particularly important stop-over site on migration in both spring and autumn.
  • Occurs within sheltered, coastal habitats containing large, intertidal mudflats or sandflats, including inlets, bays, harbours, estuaries and lagoons.
  • Often recorded on sandy beaches with mudflats nearby, sandy spits and islets and sometimes on exposed reefs or rock platforms.
Source- The Hindu 

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