きそくはいくろかもめでしょう
黄足背黒鴎でしょう
kisokuwa iku rokamomedeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of きあしせぐろかもめ

1. Probably a yellow-footed gull.

Polite
Presumptive
Conjecture
Usually Written in Kana