Ochre-rumped bunting,コジュリン

 The Japanese reed bunting or ochre-rumped bunting (Emberiza yessoensis) is a bird in the family Emberizidae. The species was first described by Robert Swinhoe in 1863.It is found in Manchuria, Korea, and Japan. Its natural habitats are temperate grassland and swamps. (Cited from Wikipedia)                 　　　　　　　　　　 

Ochre-rumped bunting is listed as a vulnerable species by the Ministry of the Environment Government of Japan, and will be appeared about when wheat ear emergence in this area.