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Illinois
Black-throated Blue Warbler
Setophaga caerulescens
 (L 5.25" WS 7.75" Wt 0.36 oz)
Thatcher Woods, IL
10May2010
Columbus Park
Chicago
09Sept 2012
flash
photos
Note the white
wing patch.
Setophaga in Greek means
moth eater; caerulescens in
Latin means bluish.
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Society
© Cornell
Ornithology