ワキグロタイヨウチョウ Aethopyga flagrans

A small bird of forest and edge from the lowlands to low elevations in the mountains on Luzon and Catanduanes. Has a fairly long, curved bill, olive upperparts, and a yellowish upper belly. Male has a blackish tail, face, throat, and chest, with green iridescence on the forecrown and purple on the throat. Similar to Olive-backed Sunbird, but has a red chest spot, an orange wash on the upper belly, and no white outer tail feathers. Female has a gray throat and lacks the yellow brow. Voice includes a high-pitched double-noted call, “chik-chik!”