あかえりひれあしじゃなかったです
赤襟鰭足鷸じゃなかったです
akaerihireashijanakattadesu

Noun
Desu Copula

The polite, past negative form of あかえりひれあししぎ

1. Wasn't a red-collared plover.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana