Global Bird Index - IOC15.1
Pseudochelidon
Pseudochelidon
Psalidoprocne
Psalidoprocne
Pseudhirundo
Pseudhirundo
Cheramoeca
Cheramoeca
Phedina
Phedina
Riparia
Riparia
Tachycineta
Tachycineta
Progne
Progne
Stelgidopteryx
Stelgidopteryx
Atticora
Atticora
Alopochelidon
Alopochelidon
Ptyonoprogne
Ptyonoprogne
Hirundo
Hirundo
Delichon
Delichon
Cecropis
Cecropis
Petrochelidon
Petrochelidon