黄腹扇尾鹟 (huángfù shànwěiwēng)
Ranges from India to Vietnam, in China from southeastern Tibet to southwestern Sichuan and Yunnan. Locally very common altitudinal migrant, found in forests to 3600 m in summer, 800 m in winter. Constantly active; fans and cocks tail and makes short aerial sallies for flying insects. Can be tame, being drawn to insects attracted to and flushed up by birdwatchers. Monotypic. Has bright-yellow forehead, supercilium, and underparts (pale vent). Olive crown. Rest of upperparts and wings olive-grey; has a single, narrow, white wing bar. Tail long, grey, white-tipped. Mask black in male, dark olive in female. Juvenile duller and paler. Bill tiny, conical, black above, orange below; feet yellow to blackish. Thin, whistled song consists of long syllables and fast pulses. — Craig Brelsford
Daniel Bengtsson served as chief ornithological consultant for Craig Brelsford’s Photographic Field Guide to the Birds of China, from which this species description is drawn.