きそくはいくろかもめでわありません
黄足背黒鴎ではありません
kisokuhaikurokamomedewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of きあしせぐろかもめ

1. Not a yellow-footed, black-backed gull.

Negative
Polite
Formal Register
Usually Written in Kana