びふとしおうとかげでしょう
鼻太大蜥蜴でしょう
bi futoshi ōtokagedeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of はなぶとおおとかげ

1. Probably a large-nosed lizard.

Polite
Presumptive
Conjecture
Usually Written in Kana