Butterfly Migration Update: June 17, 2005
Migration Map and Data
From Along the Migration Trail
Look how far the migration has progressed, now that it's the middle
Please note: These distances are measured "as the crow flies."
In contrast, as the butterflies fly, no single butterfly flew this
far. It took at least two generations. What's more, monarchs probably
don't cross the Gulf of Mexico as our measurement to the northeast
does. (To measure distances from Mexico, see the Online
As the breeding season progresses, it's often hard to tell which sightings
reflect broader distribution (due to migration) and which reflect
greater abundance (due to reproduction). Among the 75 sightings added
to the map this week are first sightings from states in southern regions
of the summer breeding range. Can you find them?
Does This Year's Migration Compare?
Monarch Migration Continues!
Other Journey North migrations have come to an end, but we'll continue
to track the monarchs until they have expanded across their entire
breeding range. Weekly updates with migration maps and data will be
provided every Friday until the end of June.
Need Your Help: Please Report Your Sightings
an important year to document the migration, so please don't go away.
Even if monarchs have already been reported from your state or province,
we want to know when YOU see YOUR first monarch.
We can't track the migration without your help!
Evaluation: Please Share Your Thoughts!
Please take a few minutes to share your suggestions and comments in our
Year-End Evaluation. The information readers provide is critical for planning
new initiatives and for improving Journey North. We'd appreciate your help.
The Next Monarch Migration Update Will Be Posted on June 24, 2005
Copyright 2005 Journey North. All Rights Reserved.
Please send all questions, comments, and suggestions to our