せぐろかもめじゃありません
背黒鴎じゃありません
seguro kamomejārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of せぐろかもめ

1. Not a black-backed gull.; I am not a black-backed gull.

Negative
Polite
Terminal Form
Usually Written in Kana