How To Make A Whippet What's The Difference Between Italian Greyhound And A Whippet?

What's the difference between Italian Greyhound and a Whippet? - how to make a whippet

Harley is four months and is 4.4 kilograms. The pet store said it was an Italian greyhound, but his hair is not shiny. I can not say whether it is an Iggy or a greyhound.