Country of origin: Germany Bred for: Vermin hunter, companionship Group: Terrier Color: Salt and pepper, black and silver or solid black Life span: 12 to 15 years Grooming Needs: Weekly brushing and professional grooming every six to eight weeks Coat: Hardy, wiry outercoat and soft, close undercoat trimmed shorter on the body and fuller on legs, with a beard, mustache, and bushy eyebrows Size: 12-14 inches, 13-15 pounds Temperment: Spirited, alert, intelligent, and eager to please Training: Highly trainable Energy: Medium to high Children: Good Compatibility with other dogs: Good Health Concerns: Eye diseases, including progressive retinal atrophy, retinal dysplasia, and cataracts,; heart murmurs, urinary stones