is endemic to Luzon, Philippines
, where it was considered threatened but is no longer regarded as particularly rare, with records from above Crow Valley, Zambales Mountains, Mt High Peak, Zambales, Minuma, Siagot, Talisis valley, Dinalongan, Aurora, two sites on the coastal road near Debutunan Point, Aurora, and Angat Dam. It has now been found (on voice) to be relatively common, e.g. in forest along the main coastal road between Baler and Dinalongan in Aurora.
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