American Robin
James C. Leupold - USFWS

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Challenge Question #2

Laura Boutilier (griswold.middle.sch@snet.net)
Fri, 27 Feb 1998 10:40:27 +0000

I think that the robins arrvive with a 36 degree isotherm because they
want to get there when spring starts. This way their prey will appear
and they will have plenty of food to eat. This insures their survival.
I think that the Robins have adapted and instinctively move to the 36
degree isotherm because they are trying to return to their nesting area.
This appears to be their comfort zone.

Tony Nguyen & Linda Catricala
Griswold Middle School
Rocky Hill CT