Which is extinct, Blue Paul Terrier or Russo-European Laika?
Russo-European Laika: Russo-European Laika (Russko-Evropeĭskaya Láĭka) is the name of a breed of hunting dog that originated in the forested region of northern Europe and Russia, one of several breeds developed from landrace Laika dogs of very ancient Spitz type.
i don't know