The Corsican Dog (chien corse) or Cursinu, is a breed of dog originating from Corsica. It has existed on the island since the 16th century, but went into decline during the late 20th century; however it was saved and became recognized by the Société Centrale Canine. Used for a variety of working purposes, it has no specific health issues.
Image credit: Küchenkraut, CC BY-SA 3.0
Adapted from Wikipedia, CC BY-SA 4.0 — https://en.wikipedia.org/wiki/Corsican_Dog