Tree Swallows are streamlined small songbirds with long, pointed wings and a short, squared or slightly notched tail. Their bills are very short and flat.
Smaller than a Purple Martin; slightly larger than a Bank Swallow.sparrow-sized or smaller
- Both Sexes
- Length: 4.7-5.9 in (12-15 cm)
- Weight: 0.6-0.9 oz (16-25 g)
- Wingspan: 11.8-13.8 in (30-35 cm)