Trenton, NJ (PRWEB) September 24, 2010
Using light-sensitive geolocators, shorebird researchers tracked and recorded the annual migration of Red Knots (Calidris canutus) from New Jersey (USA) to their Arctic breeding grounds and South American “wintering” grounds. One flew nearly 5,000 miles (8,000 kilometers) for six days, a record-breaking non-stop flight for this species; it also covered one of the longest recorded annual distances of any bird species: 16,600 miles (26,700 kilometers) in total.
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The sunrise- and sunset-sensitive geolocator on this Red Knot's leg records day-length wherever the bird goes during its annual migration cycle -- in this case, a record-breaking 16,600 miles./ © Jan van de Kam