きくがしらかわほりであれば
菊頭蝙蝠であれば
kikuga shirakawahorideareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of きくがしらこうもり

1. If it is a flower-headed bat; When it is a flower-headed bat

Ba Conditional
Usually Written in Kana