World Bird List

Species factsheet
Ridgetop Swiftlet (Collocalia isonota)

Order: Collocalia isonota
Family: Swifts (Apodidae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
isonota n Luzon (n Philippines)
bagobo Mindanao, Mindoro, Sulu Arch. (s Philippines)
Annoncer