Map Archives Ruby-throated Hummingbird Migration Maps (2004 - present) Maps | Activity What can we learn about hummingbird migration by exploring historical maps and data? How does the migration compare from year to year? In these map archives, each year's migration data is captured and ready for scientific study and comparison. Spring 2012 animation/map/data Spring 2011 animation/map/data Spring 2010 animation/map/data Spring 2009 animation/map/data Spring 2008 animation/map/data Spring 2007 map/data Spring 2006 map/data Spring 2005 map/data Spring 2004 map/data Data courtesy of Lanny Chambers and Journey North     Copyright 1997-2013 Journey North. All Rights Reserved.   Contact Us    Search