A tiny bird with a relatively large, rounded head, no discernible neck, and a straight, sharp bill. The legs are short, the wings are short and broad, and the tail is short and square.
Smaller than a White-breasted Nuthatch; slightly larger than a Golden-crowned Kinglet.sparrow-sized or smaller
- Both Sexes
- Length: 3.5-4.3 in (9-11 cm)
- Weight: 0.3-0.4 oz (9-11 g)