When researchers captured Eurasian reed warblers along the Russian coast during their spring migrations and flew them 1,000 kilometers east to Zvenigorod, the birds weren't fazed; they simply re-oriented themselves toward their original destination. Now, the researchers who first demonstrated the birds' navigational skill are back with new evidence that reed warblers rely on a geomagnetic map to point them in the right direction.
from Strange & Offbeat News -- ScienceDaily http://ift.tt/1McXDia
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