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Fall Migration Archives
Spring Migration
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Fall Migration
Analyzing Data
These maps show sightings of
overnight roosts
during fall migration and reveal the timing of peak migration from Canada to Mexico.
Fall 2017
Fall 2016
Fall 2015
Fall 2014
Fall 2013
Fall 2012
Fall 2011
Fall 2010
Fall 2009
Fall 2008
Fall 2007
Fall 2006
Fall 2005
Fall 2004
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