Country of origin: Scotland Bred for: Ratter and companion dog Group: Terrier Color: Any color except white; the ears, muzzle, and tail tip are usaually a darker shade Life span: 14 to 16 years Grooming Needs: Brush weekly; bathe only when absolutely necessary. To maintain proper coat texture, hand-strip two or three times a year Coat: Profuse hard, wiry, weather-resistant outercoat with a soft undercoat Size: Male 10 inches, 14 pounds. Females, 9.5 inches, 13 pounds Temperment: Friendly, adaptable, charming, headstrong Training: Medium to highly trainable Energy: Medium Children: Older children Compatibility with other dogs: Good Health Concerns: Liver disorder portosystemic shunt disease; craniomandibular osteopathy; a jaw disease; renal dysplasia; luxating patellas (kneecaps that slip out of place), Legge-Calve-Perthes, a degenerative hip disease; cataracts; the degenerative eye disease