noun
A small frog native to Japan, known for its beautiful call. Often associated with mountain streams.
See also: カジカガエル
夏の夜、渓流でカジカの鳴き声が聞こえる。
On summer nights, you can hear the call of the kajika frog by the mountain stream.
More explicit term for the same frog; カジカ is a common abbreviation.
The name likely derives from the frog's call, but the exact origin is uncertain.