はげふくろむささびでしょう
禿袋鼯鼠でしょう
hage fukuro musasabideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of ちびふくろももんが

1. Probably a sugar glider.

Polite
Presumptive
Conjecture
Usually Written in Kana