Chestnut-sided Warbler
Setophaga pensylvanica
 (L 5" WS 7.75" Wt 0.34 oz)
Very distinctive in appearance
...very rare vagrant to Europe.
Magic Hedge, Chicago
14May2010
Columbus Park
Chicago
12Sept2011
17May2017
female nonbreeding
1st winter female
breeding female
Setophaga in Greek means
moth eater.
© Wikipedia
15Sept2012