Considered by some authors to be a subspecies of Slender-billed Crow (Corvus enca). References See References. Files: More Information Articles about the Violet Crow If you would like to read any articles about the Violet Crow... Show Articles (0) No Pictures of Violet Crow If Birdpedia has no pictures of Violet Crow or you would like to see more, then try the following... From BING (0) No Videos of Violet Crow If Birdpedia has no videos of Violet Crow or you would like to see more, then try the following.. From BING (0)