The 3,000-year-old Xoloitzcuintli (pronounced "show-low-eats-QUEENT-lee"), the ancient Aztec dog of the gods, is today a loving companion and vigilant watchdog. The alert and loyal Xolo comes in three sizes, and in either hairless or coated varieties.

The Wirehaired Vizsla is an exuberant hunter on land or lake, whose dense, wiry coat distinguishes him from his close cousin, the Vizsla. Calm and gentle around the house, these upbeat Hungarians like running, swimming, and upbeat play.

The hardworking Wirehaired Pointing Griffon, renowned as the “supreme gundog,” is known for the harsh, low-shedding coat the breed is named for. Outgoing, eager, and quick-witted, Griffs are incomparable in the field and loving at home.

The Wire Fox Terrier breed standard says they should be “on the tip-toe of expectation at the slightest provocation.” Once a mainstay of traditional British foxhunts, today’s Wire is a handsome and amusing companion and master show dog.

Smart, confident, and always entertaining at play, the adorable West Highland White Terrier (Westie, for short) has charmed owners for over 300 years. This diminutive but sturdy earthdog is among the most popular of the small terriers.

The Welsh Springer Spaniel is a vigorous, medium-sized bird dog of happy disposition, known for versatility in the field, companionability at home, and dashing good looks anywhere. The Welshie is among Britain's oldest sporting breeds.

The Vizsla is a versatile, red-coated gundog built for long days in the field. For centuries, these rugged but elegant athletes have been the pride of Hungarian sportsmen and their popularity in America increases with each passing year.

The Transylvanian Hound is good-natured, courageous, and enduring. At his foundation, he is quiet and even, but also determined and lively. The environmental conditions of the Carpathians made the breed a tough, brave dog.

A diminutive satin-coated terrier with an amusing toy-dog personality, the Toy Fox Terrier is, as breed fanciers say, “truly a toy and a terrier.” They began as barnyard ratters but are today beguiling companions with a big personality.

The Tosa's temperament is marked by patience, composure, boldness and courage. He is normally a tranquil, quiet, and obedient dog, with a calm but vigilant demeanor. With a stately manner and robust build, they were formerly bred for fighting, but are now used as watchdogs.