Robert Gill http://mtpr.org en Bird Migration http://mtpr.org/post/bird-migration <p>3/16/14&nbsp; &amp;&nbsp; 3/17/14: This week on "<a href="http://www.montananaturalist.org/" target="_blank">Fieldnotes</a>:" "Bird Migration, Part 2," by Andrea and Don Stierle.</p> Fri, 14 Mar 2014 14:00:00 +0000 Beth Anne Austein 16116 at http://mtpr.org Bird Migration