Nature Journal
with Photos

          
Blue-winged Warbler Identification Tips
(Credit: U. S. Geological Survey)
 
General Information
- Small, active, insect-eating bird
- Thin, very pointed bill
- Yellow head and underparts
- White undertail coverts
- Black eyeline
- Olive nape and back
- Blue-gray wings with two white wing bars
- Pinkish legs
- Females and immatures have paler yellow heads and
  breasts

Similar species
The yellow, unstreaked head and underparts and the black eyeline identify the Blue-winged Warbler. The Blue-winged Warbler occasionally hybridizes with the Golden-winged Warbler to produce offspring with characteristics of both parents. Some have mostly white underparts (Brewster's Warbler), while some have the yellow plumage of the Blue-winged but the dark throat of the Golden-winged (Lawrence's Warbler).
 
 
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