“853. Bird in Spring” Oil painting by Mariko Irie
This is Uguisu, which is Japanese Bush warbler.
They start sing when Plum flowers start bloom.
After cold and gloomy winter, their singings indicate “Spring is here. Cheers!â€
If you like to listen their singings:
https://www.youtube.com/watch?v=FhXfQrKvokU