くろあしあほうどりじゃなかったです
黒足信天翁じゃなかったです
kuroashiahōdorijanakattadesu

Noun
Desu Copula

The polite, past negative form of くろあしあほうどり

1. Wasn't a black-footed albatross.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana