くろらいちょうじゃなかったです
黒雷鳥じゃなかったです
kuroraichōjanakattadesu

Noun
Desu Copula

The polite, past negative form of くろらいちょう

1. Was not a black ptarmigan.; Wasn't a black ptarmigan.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana