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Migration Data Spring 2007
Weekly Summaries for Classroom Mapping

Winter sightings:

Migration data:

Notes:

  • Weekly Summaries for Classroom Mapping
    The data at the links above is reviewed by our staff. It is summarized each week and published as part of each weekly monarch butterfly migration update.
  • Sightings appear immediately in our database as soon as it is reported by observers. Our staff reviews the raw data before publishing it in the weekly summaries.
  • Dates of Sightings
    Note that the Weekly Summaries above are organized according to the date sightings were REPORTED. If an observer waits to report a sighting, it will appear on a later list. Example: You see a monarch on May 1st. You don't report it until May 5th. On which list will your sighting appear? (See answer below.)

 

 

 

Answer:
Your sighting will appear on the list "Reported May 5 - 11, 2007" because it was reported on May 5th. It was reported too late to be on the Apr. 28 - May 4, 2007 list.

 

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