Migrating Birds Face Increasing Perils on Spring Journey

Washington, D.C.–(ENEWSPF)–March 9, 2011.  As spring approaches, millions of birds will wing their way back to North America.  Red knots near Tierra del Fuego will make a remarkable journey to the arctic tundra.   Swainson’s hawks leave their winter homes in Brazil and Argentina, flying north for up to 14,000 miles. Ruby-throated hummingbirds have already begun to make landfall after crossing the Gulf of Mexico.