Which dog breed is larger, Whippets or Jack Russell Terriers?
Whippet: The Whippet (also English Whippet or Snap dog) is a dog breed of medium-size. Whippet:  Shown in the Hound group, Whippets have relatively few health problems other than arrhythmia. Jack Russell Terrier: The Jack Russell Terrier is a small terrier that has its origins in fox hunting.
i don't know