蝦夷 えぞ雷鳥 らいちょうじゃなかったです
ezo raichōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 蝦夷雷鳥

1. Wasn't a rock ptarmigan.; Wasn't Ezo red grouse.

Past/Perfective
Negative
Polite
Casual Register