- Length: 6 inches
- Tiny bill
- Dark orange forehead and throat
- Pale orange underparts
- Dark, iridiscent upperparts
- Long, deeply forked tail
- Juvenile similar to adult but paler underneath with a shorter tail
- Most often seen flying
- Will nest communally in mud nests under bridges, in barns and caves, etc
The Barn Swallow can be told from all swallows by its deeply forked tail.
Length and wingspan from: Robbins, C.S., Bruun, B., Zim, H.S., (1966). Birds of North America. New York: Western Publishing Company, Inc.