Look at red section on the hummingbird distribution map.
It shows where rubythroats breed. Next, look at this image of North
America taken from space during the rubythroat breeding season.
Ruby-throated
Hummingbird Map Questions (Teachers:
Maps are hotlinked for larger projection on smartboard or screen.)
Image: NASA
What
pattern do you notice when you compare the maps?
How
would you explain why rubythroats don't breed any farther west than
the distribution map shows? *
Now
look at today's ruby-throated hummingbird migration map. Which directions
do you think rubythroats will continue to travel, and why?
* We'll
explore some answers next week!
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