Eastern Bluebird
Sialia sialis
 (L 7" WS 13" Wt 1.1 oz)
Morton Arbo-
retum
4Mar06
12Mar06
The bluebird carries the
sky on his back.” (Henry
David Thoreau)
A once severely declining popu-
lation has now increased thanks
to nest box campaigns.
24Feb08
21Oct09
female
Doug Knapp, XC10881
Busse Woods
Cook County, IL
01Apr2012
female
McKinley Woods
Channahon, IL
02Apr2011