Chinese sparrowhawk; grey frog hawk
A migratory bird of prey (Accipiter soloensis). The name 'grey frog hawk' is an older or less common English name.
The Chinese sparrowhawk migrates to Southeast Asia in autumn.
Katakana spelling is common for bird names and is the usual written form for this species.
Kanji spelling is rare; the bird name is usually written in kana.
The Japanese name アカハラダカ literally means 'red-bellied hawk', from 赤腹 (red belly) + 鷹 (hawk). The exact derivation is uncertain, but it likely describes the bird's reddish underparts.