false vampire

假吸血（蝙）蝠[巨耳蝠科(Megadermatidae)和葉口蝠科(Phyllostomatidae)中大型食肉蝙蝠，產於非洲、亞洲和澳大利亞，曾被誤認為吸食人畜血液]

英文釋義

any New or Old World carnivorous bat erroneously thought to suck blood but in fact feeding on insects