はしぶとうみがらすであれば
嘴太海烏であれば
wa shibutō migara sudeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of はしぶとうみがらす

1. If/When the mouth is too sea crow:; If/When one's speech is excessive/unrestrained.

Ba Conditional
Usually Written in Kana