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 is was in 2005 and 2006? You be the judge!
March 23, 2005
March 23, 2006
March 22, 2007
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 2005 and 2006 migrations?


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