Etymology and distribution of 蝶鳥.

Choudori 【蝶鳥】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Tokushima-ken Anan-shi , Hyougo-ken · Nara-ken . Estimated from the side of the Nakagawa flowing through Tokushima-ken . In Tokushima-ken Anan-shi say that it had been called from 1716 to 1736 (Kyoho year). Tokushima-ken Anan-shi It is distributed in Yahata Nakatsuka Nakagawa Town. There is 那須 surname in the same place. 那須 Nasu reference.