Butterfly Migration Update: June 10, 2005
Migration Map and Data
From Along the Migration Trail
The 51 sightings added to our map make this the busiest week of the
season. Monarchs were reported by a brother (who told his sister), teachers
and students, mothers and fathers. A bird watcher and a construction
worker both saw monarchs while doing their jobs.
northernmost monarch was seen at 48 N on Ontario's Rainy River,
just north of the Minnesota border.
of multiple monarchs were common this week. It was not unusual for
observers to see two or even three monarchs at a time. This is a
noteworthy change and reflects a substantial increase in the monarch
a cool spring in Ontario, almost a dozen "first monarch"
reports were filed from that province last week. "As predicted,
with temperatures over the past few days reaching close to 80 F,
and lots of lilac shrubs in bloom, migrating monarchs were spotted
today," wrote Don Davis on June 5th from Ontario.
monarch was feeding on lilacs on the north shore of Lake Ontario,
presumably after crossing the lake. "One usually does not see
monarchs until mid afternoon as it takes this long to cross the
lake. They are often 'punky' - very tired/exhausted," said
Rod Parrott, who saw the butterfly.
most striking is how SIMILAR the migration is from year to year! As
you look at the comparative maps below consider how remarkable this
is, given the many variables monarchs encounter.
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 17, 2005
Copyright 2005 Journey North. All Rights Reserved.
Please send all questions, comments, and suggestions to our