えぞむささびでしょう
蝦夷鼯鼠でしょう
ezo musasabideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of えぞももんが

1. Probably a Siberian flying squirrel.

Polite
Presumptive
Conjecture
Usually Written in Kana