Blue-gray Gnatcatcher
Polioptila caerulea
 (L 4.5" WS 6" WT 0.21 OZ )
Tiny bird with long black tail, no
wing bars and white eye-ring.
Thatcher Woods
River Forest, IL
27April2009
       10May09
  Morton
  Arboretum
  Lisle, IL
2Jul09
juvenile with
brownish wings
McKinely Forest Preserve
Channahon, IL
27April2009
Columbus Park, Chicago
14Apr2013