Siberian blue robin
A small migratory bird with blue upperparts and white underparts, found in East Asia. Scientific name: Luscinia cyane.
The Siberian blue robin is a migratory bird that breeds in Japan in summer.
I heard the song of a Siberian blue robin in the forest.
Katakana spelling is common for bird names; usually written in kana.
Kanji spelling is rare and may not be widely recognized; the katakana form is preferred.
The name コルリ (小瑠璃) literally means 'small lapis lazuli', referring to the bird's blue coloration. The exact derivation is uncertain.