PhysOrg Posted May 13, 2016 Share Posted May 13, 2016 Migration is hard on a songbird. It has a commute of thousands of miles—north or south, depending on the season—a journey that often includes a nonstop flight over the Gulf of Mexico or even along nearly the entire coastline of North and South America. Read the full article on PhysOrg Link to comment Share on other sites More sharing options...
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