えぞりすじゃなかったです
蝦夷栗鼠じゃなかったです
ezorisujanakattadesu

Noun
Desu Copula

The polite, past negative form of えぞりす

1. Wasn't a Hokkaido chipmunk.; Wasn't an Ezo squirrel.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana