かいつぶりじゃなかったです
鸊鷉じゃなかったです
kaitsuburijanakattadesu

Noun
Desu Copula

The polite, past negative form of かいつぶり

1. Was not a grebe.; Was not a duck.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana