Order: Horornis diphone
Family:
Cettia Bush Warblers & Allies
(Cettiidae)
| Subspecie | Distribution |
|---|---|
| riukiuensis | s Sakhalin Is., s Kurile Is. |
| cantans | c and s Japan, n Ryukyu Is. |
| restrictus | Daito (Borodino Is.), ? s Ryukyu Is. |
| diphone | Izu Is., Bonin Is. and Volcano Is. |