Keeping the Bengalese or Society Finch - the World's Only “Manmade” Finch. The pert, attractive Society Finch (Lonchura striata domestica) has never existed as a wild, “natural” species. Rather, it was produced in captivity, by breeders who crossed Sharp-Tailed and Striated Munias (Lonchura acuticauda and L.02-Jan-2012