Brown Creeper
Certhia americana
 (L 5.25" WS 7.75" WT 0.29 oz)
Woodpecker-strong tail feathers
help brace it on tree trunks.
Thatcher Woods
River Forest, IL
15Apr2007
Morton
Arboretum
28Feb2010
 
Columbus Park
Chicago, IL
10Jul2010
04Apr2013