パンパスてんじくねずみであれば
パンパス天竺鼠であれば
pampasutenjikunezumideareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of パンパスてんじくねずみ

1. If it were a pampas grass cricetid; If it were a pampas field mouse

Ba Conditional
Usually Written in Kana