- Small songbird; large warbler.
- Bluish gray face and back.
- Yellow throat, chest, and belly.
- Black stripes down sides.
- White crescents above and below eyes.
- Constantly pumps its tail.
- Two white wingbars.
Immature DescriptionSimilar to adult female, but duller, and with black spotting across chest.
Relative Sizesparrow-sized or smaller
- Both Sexes
- Length: 5.5-5.9 in (14-15 cm)
- Weight: 0.4-0.6 oz (12-16 g)