The Border Jack is created by crossing a purebred Border Collie with a purebred Jack Russel Terrier. This is a hybrid with a high energy level. Adopting one of these dogs is a large commitment to exercise and activity, such as agility and flyball. They tend to be very intense, busy dogs, that need a lot of activity. Breeders are purposely breeding them for these activities and they do very well in competition. If you do not plan on doing some type of activity with your pet, this may not be the type of dog for you. On the other hand, if you are looking for an agility or flyball dog, it may be perfect! It is considered a hybrid dog, meaning it is not purebred, however the lineage is known. Where as the term mutt is used when a dog has an unknown lineage.

Some claim hybrid dogs are healthier, because you are mixing up the gene pool. Many breeders of hybrids believe in what is called the heterosis effect and hybrid vigor. Vigor means, "Physical or mental strength, force or energy."

Others disagree, claiming you are still crossing two first generation dogs. If you breed two dogs carrying the same genetic defect, the defect will be dominant in the dog.

Regardless, of size or lineage, all dogs are a mammal of the Canidae family, of the order Carnivora. Canis lupus familiaris, which is a domesticated subspecies of the wolf. Commonly referred to as a canine, dogs have instincts, which we as humans have a responsibility to fulfill.

One of these instincts is to migrate. To fulfill this instinct in our dog, we need to take them for a daily walk. How to walk your dog in a way that fulfills this instinct.