Black-and-white Warblers are medium-sized warblers (small songbirds). They have a fairly long, slightly downcurved bill. The head often appears somewhat flat and streamlined, with a short neck. The wings are long and the tail is short.
About the size of a Black-capped Chickadee; slightly smaller than a White-breasted Nuthatch.sparrow-sized or smaller
- Both Sexes
- Length: 4.3-5.1 in (11-13 cm)
- Weight: 0.3-0.5 oz (8-15 g)
- Wingspan: 7.1-8.7 in (18-22 cm)