Shetland Sheepdog/Sheltie

  The Shetland Sheepdog, sometimes shortened to Sheltie, is a domestic breed of excitable, and energetic herding dog. They are partly derived from the dogs used in Shetland for protecting and herding sheep. They are small to medium and come in a variety of colors, such as tri-color, blue Merle, sable/white and so on.

  They are small, most often 250-200 millimeters or 8-10 inches in height. They weigh on average 7-9 kilograms or 16-20 pounds.  They have a litter size of 4-6 puppies and a lifespan of 12-15 years.
  Shelties have a high level of intelligence, according to Dr. Stanley Coren, an expert on animal intelligence, Shelties rank 6th out of the 132 breeds tested.
  In their size group, this breed is excellent at dog agility competitions. They also excel at competitive obedience, showmanship, flyball, tracking and herding.