Hi Everyone,
The following article summarizes new research on birds' VISUAL navigation by the earth's magnetic field during migration:
http://today.reuters.com/news/articlenews.aspx?type=scienceNews&storyid=2007-09-26T052006Z_01_L25934863_RTRUKOC_0_US-BIRDS-MAGNETIC.xml
Cheers,
Bill
Bill Hubick
Pasadena, Maryland
http://www.billhubick.com |