せんうみつばめじゃありません
潜海燕じゃありません
sen'umitsubamejārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of もぐりうみつばめ

1. Not a hydrobatid.; Not a storm-petrel.

Negative
Polite
Terminal Form
Usually Written in Kana