おがさわらだいこうもりでしょう
小笠原大蝙蝠でしょう
ogasawaradaikōmorideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of おがさわらおおこうもり

1. Probably an Ogasawara flying fox.

Polite
Presumptive
Conjecture
Usually Written in Kana