まみじろくいなじゃありませんでした
眉白水鶏じゃありませんでした
mamijirokuinajārimasendeshita

Noun
Desu Copula

The polite, past negative form of まみじろくいな

1. Was not a white-faced heron.; Was not a white-faced water rail.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana