Daurian Redstart,ジョウビタキ

A very friendly Daurian Redstart, which can be found in residential areas and home gardens as autumn deepens (quoted from Wikipedia below), breeds in Tibet around northeastern China, coastal states, and  Lake Baikal.In the during non-breeding seasons, migrate to Japan,  China, southern part and the northern part of the Indochina Peninsula,and overwinter. In Japan, it comes all over the country as a winter bird.But in Korea near to Japan it is said to be a resident bird.