3-21-2012 Sign of the Climate? Migratory Osprey Winter in Chesapeake Bay

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EIF 3-20-12 final.mp3

The migration of osprey mark the seasons in the Chesapeake Bay, with their return in March from South America a sign of spring. But an increasing number of these "fish hawks" appear to be spending the winter in the bay, and returning earlier -- perhaps the result of a warming climate.  (Photo of osprey by James A. Galletto, Nature and Wildlife Photographers of Long Island/NOAA )