Moustached Treeswift (Hemiprocne mystacea) [XC543566]
by Frank Lambert from Near Tohei, Kunua District, Autonomous Region of Bougainville, Papua New Guinea (call)
Moustached Treeswift (Hemiprocne mystacea) [XC23136]
by Frank Lambert from near Wailebed, Batanta Island, Papua Barat, Indonesia (call)
Subspecies
The following 6 subspecies are recognised:
confirmata Stresemann, 1914 - Moluccas (excluding Kai and Sula groups) to Aru Is.
mystacea (Lesson, 1827) - New Guinea mainland; islands of Geelvink Bay and western Papuan Is.
aeroplanes Stresemann, 1921 - Bismarck Archipelago (excluding Admiralty Is and Feni Is).
macrura Salomonsen, 1983 - Admiralty Is.
woodfordiana (Hartert, 1896) - Feni Is and most of Solomon Is (including Bougainville).