あぶらこうもりでしょう
油蝙蝠でしょう
aburakōmorideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of あぶらこうもり

1. Probably an oil bat.; It will likely be an oil bat.

Polite
Presumptive
Conjecture
Usually Written in Kana