蝦夷 えぞ雷鳥 らいちょうではありません
ezo raichōdewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 蝦夷雷鳥

1. Is not a rock ptarmigan.; Is not an Ezo ptarmigan.

Negative
Polite
Formal Register