A male Tibetan Serin Spinus thibetanus feeds on alder in the Dulong Gorge in Yunnan. Tibetan Serin is a small finch. Male has olive-green upperparts and lacks yellowish wing panel. Also known as Tibetan Siskin. Photo: Dulong Gorge, (27.903158, 98.354937), Yunnan, China, elev. 1840 m (6,050 ft.), February. (Craig Brelsford)Tibetan Serin roost on a leafless tree in the Dulong Gorge. Tibetan Serin ranges eastern Himalaya to western China. Breeds Qinghai, western Sichuan, eastern Tibet, and northwest Yunnan between 2800–4000 m (9,190–13,120 ft.). Altitudinal migrant, forming flocks in winter—in Dulong Gorge in February and March we noted on four days flocks of 100 or more. Dulong Gorge (27.881368, 98.417087), Yunnan, elev. 2450 m (8,040 ft.), February. (Craig Brelsford)
