
Photo: muangpaisuetrong · CC0
Ficedula narcissina
Range
Breeds in the East Palearctic: Sakhalin, Japan, Korea, mainland China and Taiwan; winters in Southeast Asia including the Philippines, Vietnam and Borneo
The narcissus flycatcher is a highly migratory Old World flycatcher native to the East Palearctic, from Sakhalin through Japan, Korea, mainland China and Taiwan, wintering in Southeast Asia including the Philippines, Vietnam and Borneo. It has been found as a vagrant from Australia to Alaska (Wikipedia, general species account).