はしぼそからすでしょう
嘴細鴉でしょう
hashi boso karasudeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of はしぼそがらす

1. Probably a chatterbox.; Probably talkative.

Polite
Presumptive
Conjecture
Usually Written in Kana