This Year's Rubythroat Migration
 Early, Late, or About the Same?

Is this year's ruby-throated hummingbird migration ahead of, behind, or about the same as it was in 2007 and 2008? You be the judge!
March 22, 2007
March 20, 2008
March 19, 2009
Directions
1. Click on each map to see a larger one.
2. Look at the most northern sighting on each map.
3. Look at the overall leading (northern) edge of the migration on each map.
Journal Questions
  • What differences do you notice between the migrations from year to year?





  • Does this year's migration appear to be ahead of, behind, or about the same as the 2007 and 2008 migrations?


  • What factors do you think might influence the timing and pace of the migration? (Stay tuned in the weeks to come!)


 

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