Nature Journal
with Photos

Cerulean Warbler Identification Tips
(Credit: U. S. Geological Survey)
General Information
- Small, active, insect-eating bird
- Wing bars
- Thin, pointed bill

Adult male
- Pale blue to blue-gray upperparts with black streaks
  on back
- White underparts with thin black band across breast
- Black streaks on sides

Female and immature

- White supercilium
- Upperparts not as blue as male-more gray
- Lacks breast band of male, streaking on sides reduced

Similar species
Although not as colorful as some other warblers, the male Cerulean Warbler is recognizable by its white underparts crossed by a thin black band. This field mark is useful since this bird often forages high in the canopy where the pale blue upperparts are not easily seen.

Females, and especially immatures, are very nondescript but have bold white superciliums, mostly white underparts, and wing bars. There is often a hint of bluish color, especially on the crown.
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