Griffon Bruxellois refers to more dog breeds than an old established breed of rare breed dog does.
The Stabyhoun or Stabij is one of the top five rarest dog breeds in the world. 
 The Griffon Bruxellois may refer to three different breeds, the Griffon Bruxellois, the Griffon Belge and the Petit Brabanon. 
Rare breed (dog) is any breed of dog that is small in number and is used to refer to both old established breeds such as the Stabyhoun and Glen of Imaal Terrier or newer creations. 
