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
27April2009
Morton Arboretum
Lisle
10May2009
juvenile with
brownish wings
McKinely Forest Preserve
Channahon
27April2009
Columbus Park, Chicago
14Apr2013
Polioptila in Greek means grey
feather; caerulea in Latin
means
steel blue.
© BirdNote,
Bob
Sundstrom
© Cornell
Ornithology
 
 
© Audubon
Society