小笠原 おがさわら だい蝙蝠 こうもりでしょう
ogasawaradaikōmorideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 小笠原大蝙蝠

1. Probably an Ogasawara flying fox.

Polite
Presumptive
Conjecture