くちばしくろびたきでしょう
嘴黒鶲でしょう
kuchibashikurobitakideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of はしぐろひたき

1. Probably a Japanese robin.

Polite
Presumptive
Conjecture
Usually Written in Kana