Literature
- Gill, F & D. Donsker (eds) 2017. IOC World Bird List v7.1. [link]
Progne cryptoleuca
[species]
|
Progne dominicensis
[species]
|
Progne subis
[species]
|
Progne tapera
[species]
|
Progne cryptoleuca
[species]
|
Progne dominicensis
[species]
|
Progne subis
[species]
|
Progne tapera
[species]
|