にっぽんあまがえるでしょう
日本雨蛙でしょう
nippon'amagaerudeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of にほんあまがえる

1. Probably a Japanese tree frog.

Polite
Presumptive
Conjecture
Usually Written in Kana