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Look at Maps Related to Robin Migration

Robin migration map: First robins sighted

FIRST Robins

Robin migration map: First robins heard singing

First SINGING Robin

Robin migration map: waves of robins

WAVES of Robins

Earthworm migration map

First Earthworm

The four maps above are related to robin migration in some way. Read about each map. Then show what you discovered:
What I learned from the legend:
What the map "tells" me about robins in the winter months:
What the map make me wonder about robin migration: