Engelsk navn: Red Knot
"Knot, Calidris canutus" by Eaglestein via Flickr, Creative Commons Attribution.
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"Red knot (Calidris canutus rufa) at Mispillion Harbor, Delaware, candidate" by USFWS Endangered Species via Flickr, Creative Commons Attribution.
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Arten polarsnipe hører til i slekta , Calidris.