Jack Russells are incredibly brave for their size, but also fun loving and extremely loyal. A good watch dog, the J.R.T. makes a satisfactory pet for both older children and adults.
Country of origin: England
Height: Male 10 to 15 inches Female 9 to 14 inches.
Weight: Male 15 to 18 pounds Female 14 to 17 pounds.
Coat: The Jack Russell Terrier comes in three coat varieties - smooth, rough and broken, and all require a minimum of grooming.
Colors: White must always be the predominant coat colour, with black, tan or brown markings.