Grey-rumped swiftlet
Collocalia marginata
The grey-rumped swiftlet or gray-rumped swiftlet is a small bird in the swift family Apodidae. It is endemic to some islands in the Philippines.
Its natural habitat is subtropical or tropical moist lowland forests. It was previously considered a subspecies of the glossy swiftlet.
Its natural habitat is subtropical or tropical moist lowland forests. It was previously considered a subspecies of the glossy swiftlet.