たいへいようせんはくじらでしょう
太平洋扇歯鯨でしょう
taihei yōsenwa kujiradeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of たいへいようおうぎはくじら

1. Probably a North Pacific right whale.

Polite
Presumptive
Conjecture
Usually Written in Kana