みそさざいでわありませんでした
鷦鷯ではありませんでした
misosazaidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of みそさざい

1. Was not a warbler.; Was not a Japanese bush warbler.

Past/Perfective
Negative
Polite
Formal Register
Usually Written in Kana