World Bird List

Species factsheet
Grey-rumped Swiftlet (Collocalia marginata)

Order: Collocalia marginata
Family: Swifts (Apodidae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
septentrionalis Babuyan, Calayan and N Camiguin (n of Luzon, n Philippines)
marginata c and s Luzon, e and w Visayas, (?Palawan)
Annoncer