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Collection: The Red Knot and Long-Distance Migration

The Red Knot and Long-Distance MigrationThe Red Knot and Long-Distance Migration
The red knot is a migratory shorebird that travels up to 20,000 km twice a year from its breeding grounds on the high Arctic tundra to its southern non-breeding sites. Along with having one of the longest total migrations of any bird, some populations also fly as much as 8,000–9,000 km between stopover sites in a single flight. As a shellfish-eating specialist avoiding pathogen-rich freshwater habitats, the red knot relies on the few large tidal flats with abundant food resources that the world has to offer. To undertake the physiologically demanding flight from West Africa to northern Siberia, for example, Calidris c. canutus refuels during three weeks of fast feeding in the national parks of Banc d’Arguin in Mauritania and the European Wadden Sea. After nearly doubling its weight, it burns off stored fat during the 3 or more days of non-stop flying.
Red Knots (Calidris canutus islandica,) feeding at Porsanger Fjord, Northern Norway
Red Knot (Calidris Canutus) tagging, Norway
Red Knots (Calidris Canutus) in Porsanger, Norway
Red Knots blanket the ground in Porsanger, Norway
Red Knots in Porsanger, Norway
Red Knots, Porsanger Fjord, Norway
Red Knot (Calidris Canutus), color-marked at Porsanger, Norway
Red Knots , Porsanger Fjord, Northern Norway
Red Knots in Porsanger, Norway
Sea eagle and red knots, Porsanger Fjord, Norway
Red Knot (Calidris canutus canutus), Sterlegova, Taimyr , Siberia, Russia
Red Knot (Calidris canutus islandica), Thule, North-West Greenland
About 10 day old  Knot (Calidris canutus canutus), Taimyr, Siberia
Knot (Calidris Canutus), Föhr, Germany
Knot (Calidris canutus islandica), Föhr, Germany
Knot (Calidris canutus  canutus) breeding in high Arctic tundra during snow-storm, Sterlegova, Great Arctic Reserve, Taimyr, Northern Siberia, Russia
High Arctic tundra as breeding habitat of the Knot (Calidris canutus islandica), Olrik fjord, North-West Greenland
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