News Update: May 5, 2010        Name _____________________ 

Ruby-Throated Hummingbird Map Questions
(Teachers: Maps are hotlinked for larger projection on smartboard or screen.)
Look at today's map and then at this summer satellite photo of North America.


Image: NASA

What pattern do you notice?

After looking at the satellite map, draw a line on the migration map showing where you think the Rubythroat migration will be by June.
Complete this sentence: These maps "tell me" that the rubythroats migrate to places that are/have

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Now look at the rubythroat distribution map. Why do you think they don't travel farther north than they do? List a few ideas.*
* Think about temperatures, food sources, and distance they must migrate in spring and fall. Also recall that their northern limit is about the same as the yellow-bellied sapsucker's limit.