Jack Russell is a small dog. These are noted for their mischief speed and its jumping capacity. The charming looks and is distinct qualities make it expensive. These are highly affectionate and incredibly friendly with children. In fact its jumping height can surprise anyone. Russells have a sensitive coat and its not advisable to leave them in hot sun for long durations. Minimal shedding and drooling make them preferable. By its high energy levels, requirement of good exercise is a must. It may not be suitable for apartments.