みなみせんはくじらでしょう
南扇歯鯨でしょう
minamisenwa kujiradeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of みなみおうぎはくじら

1. Southern bottlenose whale, likely.

Polite
Presumptive
Conjecture
Usually Written in Kana