

The Birds · Plate XLVII
Barn Swallow
Hirundo rustica
Hirundinidae · Taxon 11901
| Length | 15–19 cm (5.9–7.5 in) |
| Wingspan | 29–32 cm (11.4–12.6 in) |
| Weight | 17–20 g (0.6–0.7 oz) |
Field marks
- Slender, streamlined swallow with very long, narrow, pointed wings.
- Adult tail is long and deeply forked, with elongated outer streamers extending beyond the wingtips.
- Steely blue to blue-black crown, back, wings, and tail.
- Cinnamon to chestnut forehead and throat contrast with the dark blue face.
- Underparts range from tawny or buff to pale; small white spots beneath the tail may show in flight.
- Short, dark, broad-based bill and small dark legs.
HabitatOpen and semi-open country, including fields, grasslands, marshes, ponds, and coastal water; commonly forages over open ground or water and nests on sheltered human-made structures such as eaves, buildings, and bridges.
BehaviorAerial insectivore; catches flying insects in agile, low, swooping flight with quick turns and little gliding.
Palette