Considered by some authors to be a subspecies of Sharp-beaked Ground-finch (Geospiza difficilis). References See References. Files: More Information Articles about the Vampire Ground-finch If you would like to read any articles about the Vampire Ground-finch... Show Articles (0) No Pictures of Vampire Ground-finch If Birdpedia has no pictures of Vampire Ground-finch or you would like to see more, then try the following... From BING (1) No Videos of Vampire Ground-finch If Birdpedia has no videos of Vampire Ground-finch or you would like to see more, then try the following.. From BING (0)