Interesting article on bird movement in the USA that a friend forwarded to me
http://www.nytimes.com/2013/04/21/opinion/sunday/what-do-the-bird-watchers-know.html?_r=0 ****
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Interesting article on bird movement in the USA that a friend forwarded to me
http://www.nytimes.com/2013/04/21/opinion/sunday/what-do-the-bird-watchers-know.html?_r=0 ****
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