Migration News: March 10, 2015
By Jane Duden
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Change is in the air! Where are robins finding food as winter ends and spring begins?

American Robin eatng at suet feeder
Robins and Suet by Warren Bielenberg
Highlights: Signs of Change

Finally, WAVE reports almost equal FIRST reports! Also, Florida did not lead in reports for the first time in weeks. Instead, we had a few reports from most states. People reported winter behaviors in more reports than not, with robins poking in mulch, pecking in snowless ground, feeding on berries and moving in flocks. Yet, this observer reports a big clue to changes coming:

"I have seen more individuals in the last week."
03/06/15   Leslie B. Darien, Illinois

Week WAVE FIRST
Feb 25 - Mar 9 44 39
Feb 24 - Mar 2 70 33
 
Migrant or Local?
Migrants passing through are normally very flighty and noisy; they move in waves. Certainly you may hear little snippets of the true song as robins start getting revved up for spring. However, mostly it'll be peek-and-tut and other vocalizations or alarm calls as robin restlessness increases with breeding season coming. When in full song, males are in a place they're claiming as their own.

Get Ready!
Stay tuned to listen for the male's true song—the surest sign that your male robins are back to claim territory, find mates and start nesting!

American Robins at seed feeder
Barbara Parker
Flocks on the Move

American Robin eating suet
Amy Evoniuk
Finding Food

Robin about to pull a worm
Tom Ernst
Switching the Diet!

Explore: Robins and Earthworms

How is robin migration related to the return of earthworms in the spring? What foods do robins eat before worms are available?

 

Earthworms and Robins
Maps: Report Your Sightings
 
Robin Migration: What to Report Robin Migration Map: First Robin Robin Migration Map: Waves of Robins
What to Report First Seen
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Waves
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Robin migration map: First robins heard singing Robin Nesting Behavior Earthworm migration map
Singing
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Nesting
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Earthworms
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Next Update March 17, 2015