This not only makes them easy to train, it also makes them quite entertaining. One of the most appealing traits of these pooches is their intelligence. Like many other small terrier breeds, Jack Russell terriers are smart dogs who are generally easy to train.However, they also have a strong prey drive and are ratter dogs, which can cause problems for homes with cats or other small mammals. These tiny terriers are pretty gregarious dogs, making them a blast at the dog park. Jack Russell terriers generally get along well with other canines.So, if flying fur isn’t really your thing, be sure to pick a Jack Russell terrier mix that incorporates a low-shedding parent breed, like a poodle. The Russell terrier is relatively easy to groom, but he does shed quite a bit.They don’t want to just live in the backyard all by themselves. That means - unlike some other breeds, who have relatively aloof demeanors - Jack Russells want to be with their families as much as possible. Jack Russell terriers are very affectionate dogs, who tend to bond strongly with their families.Here are a few of the most important things to keep in mind about these little cuties: Before you run out and bring home a Jack Russell terrier mix, it’s important that you learn a thing or two about the breed (although you’ll obviously need to learn about the other half of your Russell terrier mix too).