Black rat snake Black rat snake may refer to: Pantherophis alleghaniensis, the eastern ratsnake Pantherophis spiloides, the central ratsnake Pantherophis obsoletus, the western ratsnake Index of articles associated with the same name This article includes a list of related items that share the same name (or similar names). If an internal link incorrectly led you here, you may wish to change the link to point directly to the intended article.