noun
willow tit
A small bird, Parus montanus. The Japanese name 十二雀 is said to come from its call sounding like 'juuni' (twelve). Compare with 小雀 (こがら), which is another name for the same species.
See also: 小雀 (こがら)
十二雀は北海道の森でよく見られる。
The willow tit is often seen in the forests of Hokkaido.