おうはしうみがらすじゃありませんでした
大嘴海烏じゃありませんでした
ō hashiumigarasujārimasendeshita

Noun
Desu Copula

The polite, past negative form of おおはしうみがらす

1. Was not a frigatebird.; Was not a large-billed seabird.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana