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High Arctic tundra as breeding habitat of the Knot (Calidris canutus islandica), Olrik fjord, North-West Greenland

High Arctic tundra as breeding habitat of the Knot (Calidris canutus islandica), Olrik fjord, North-West Greenland

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Uploaded 10 Nov 2010 by Peter Prokosch
Year: 2010 Taken by: Peter Prokosch
The Red Knot breeding with six subspecies in the high Arctic tundra makes one of the longest migrations of any bird, traveling up to 16,000 km twice a year. The different knot populations are migrating in some of the largest non-stop leaps known from any species along all the main continental coastal flyways to their southern wintering sites. The species is highly dependent on large tidal flat areas with abundant food recourses (mainly small shell fish such as Macoma baltica) as staging area ...
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