Migration Update: February 23, 2006
Latest Migration News
Hummingbirds: With twenty sightings to report this week we know
these little birds are on the move! Explore the migration map and see
if you can find which reports are of overwintering birds and which are
migrants. Can you find the one that is out of its range according to the
Why is One Species Ahead of the Other?
Journaling Question: As our maps show, Rufous hummingbirds are already much farther along than Ruby-throated hummingbirds. Why do you think Rufous hummingbirds are able to do this?
What Do Hummingbirds Need to Survive? Photos Hold Clues
These are pictures of hummingbirds in their breeding habitat. What does a hummingbird need from its habitat? What clues do you see in each of these photos? (Click images to enlarge.)
Tip for Teachers: See "Hummingbird Habitat and the Seasons"
As you wait for hummingbirds to arrive, explore the chain of sun-driven events that must occur before hummingbirds can return to their breeding habitat.
At the time of our February 9th update, rubythroats and most rufous hummingbirds were still on the wintering grounds, where life is good: toasty warm temps and lots of food. We asked you to look at landmass and answer this: "If things are so great on the wintering grounds, why do these tiny birds make the long, hard journey north?"
We don't need to ask an expert to share thoughts about the answer because students from Ferrisburgh, VT, Cedar Falls, IA and Octagon Home School sent the best possible reasons. Three cheers and a high five for them! See their splendid answers here:
The Next Hummingbird Migration Update Will Be Posted on March 2*, 2006 (*data only).
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