- The
ridgetop swiftlet (Collocalia
isonota) is a
small bird in the
swift family Apodidae. It is
endemic to the Philippines. Its
natural habitat is subtropical...
- Grey-rumped
swiftlet (Collocalia marginata)
Ridgetop swiftlet (Collocalia
isonota)
Tenggara swiftlet (Collocalia sumbawae) Drab
swiftlet (Collocalia neglecta)...
- Grey-rumped swiftlet,
Collocalia marginata Ridgetop swiftlet,
Collocalia isonota Tenggara swiftlet,
Collocalia sumbawae Drab swiftlet,
Collocalia neglecta...
- Grey-rumped
swiftlet (Collocalia marginata)
Ridgetop swiftlet (Collocalia
isonota)
Tenggara swiftlet (Collocalia sumbawae) Drab
swiftlet (Collocalia neglecta)...
-
arctica (Gray, 1824)
Portlandia glacialis (J. E. Gray, 1825)
Portlandia isonota (Martens, 1881)
Portlandia pachia (A. E.
Verrill & Bush, 1898) Portlandia...
- Gray-rumped swiftlet,
Collocalia marginata Ridgetop swiftlet,
Collocalia isonota Philippine swiftlet,
Aerodramus mearnsi (E) Whitehead's swiftlet, Aerodramus...
- as a
subspecies of the
glossy swiftlet)
Ridgetop swiftlet,
Collocalia isonota (formerly
treated as a
subspecies of the
glossy swiftlet)
Tenggara swiftlet...
- Gray-rumped swiftlet,
Collocalia marginata Ridgetop swiftlet,
Collocalia isonota Tenggara swiftlet,
Collocalia sumbawae Drab swiftlet,
Collocalia neglecta...
- Grey-rumped
swiftlet (Collocalia marginata)
Ridgetop swiftlet (Collocalia
isonota)
Tenggara swiftlet (Collocalia sumbawae) Drab
swiftlet (Collocalia neglecta)...
