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Google has stopped offering free, anonymous use of its map API, which partially automated the location of sightings by zip/postal code using a utility a smart fellow wrote for me (and which I do not understand). I am not interested in fundraising, learning API programming, or opening a Google developer account. As a result, producing this map is no longer practical, and I'm not looking for alternatives. Thanks to all of you for your participation and support over 23 migration seasons, and my apologies for any inconvenience.

If you want to know when migrants will reach your location, the historical maps are still available for reference. I encourage you to follow the migration and report your sightings at the Journey North website.
 

Ruby-throated map for North America

This discussion of Ruby-throated migration may answer your questions.

Previous years' maps are available for study and comparison:
1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018

 

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