Previously described on
this blog, as for this bird.
In the category of the IUCN Red List : Least Concern
Category of migrant to Japan: Summer migrant
It
is said that it breeds from Sakhalin throughout the Japanese archipelago and
some neighboring regions of the Japanese archipelago and in winter, it will
cross over to Southeast Asia such as Philippines and Borneo and overwinter.
既出
国際自然保護連盟のレッドリスト分類：軽度懸念
日本への渡りの分類:夏鳥
サハリンから日本列島全土とその近隣中国の一部地域で繁殖し、冬季はフイリッピン、ボルネオ島等の東南アジアへの渡りを行い、越冬すると言われている。
.JPG)
