A slim, small songbird with an upright posture, a large head that often looks peaked, and a straight, fairly wide bill. The tail is moderately long.
Relative Size
Slightly larger than a Chestnut-backed Chickadee, smaller than a Black Phoebe.


Measurements
- Both Sexes
- Length: 5.5-6.7 in (14-17 cm)
- Weight: 0.3-0.4 oz (8-12 g)
- Wingspan: 7.9-9.1 in (20-23 cm)