Ba zan iya samun ingantaccen tushe mai ma'anar "vampire ƙarya" a matsayin kalmar tsaye kaɗai ba. Kalmar “vampire ƙarya” ba jumla ce da aka saba amfani da ita ba ko kuma sanannen kalma a cikin harshen Ingilishi. Duk da haka, "ƙarya vampire bat" kalma ce da ake amfani da ita don kwatanta ƙungiyar jemagu waɗanda ba vampires na gaskiya ba amma suna da kamanceceniya da su, kamar ciyar da jinin wasu dabbobi. Ana samun jemagu na vampire na ƙarya a Amurka ta Tsakiya da Kudancin Amurka, kuma suna cikin dangin Phyllostomidae.