also: みそさざい
noun
Eurasian wren; wren
A small brown songbird (Troglodytes troglodytes) found across Eurasia. In everyday Japanese, the katakana name is standard.
ミソサザイは小さくて丸い鳥だ。
The Eurasian wren is a small, round bird.
森でミソサザイのさえずりを聞いた。
I heard a wren singing in the forest.