Fall Migration Archives
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These maps show sightings of overnight roosts during fall migration and reveal the timing of peak migration from Canada to Mexico.
     
Monarch Butterfly Migration Map: Fall Roosts, Fall 2016 Monarch Butterfly Migration Map: Fall Roosts, Fall 2016 Monarch Butterfly Migration Map: Fall Roosts, Fall 2014
Fall 2017 Fall 2016 Fall 2015
Monarch Butterfly Migration Map: Fall Roosts, Fall 2014 Monarch Butterfly Migration Map: Fall Roosts, Fall 2013 Monarch Butterfly Migration Map: Fall Roosts, Fall 2012
Fall 2014 Fall 2013 Fall 2012
Fall migration 2011: map of overnight roosts Fall migration 2010: map of overnight roosts Fall Monarch Butterfly Migration Map
Fall 2011 Fall 2010 Fall 2009
Fall Monarch Butterfly Migration Map

Fall Monarch Butterfly Migration Map

Fall Monarch Butterfly Migration Map
Fall 2008 Fall 2007

Fall 2006

Fall Monarch Butterfly Migration Map Fall Monarch Butterfly Migration Map  
Fall 2005 Fall 2004
 
     
     

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