Lesser Known Dogs The dog breeds pictured below have fallen out of popularity for various reasons; I show them to create interest in these breeds before they are forgotten. Being that these dogs have not been over bred, some of the genetic health issues may be less common in these breeds; but you still need to be sure that they come from a diversity of bloodlines, (no line breeding; a.k.a. inbreeding), to insure your chances of having a healthy and long living dog.