Order: Progne subis
Family:
Swallows, Martins
(Hirundinidae)
Danske navn: Purpursvale
Voices can be found here (external link)| Subspecie | Distribution |
|---|---|
| subis | s Canada, e USA and e Mexico |
| hesperia | sw USA and nw Mexico |
| arboricola | w USA and n Mexico |
