How to distinguish Jack Russell Terrier

There are three main points to distinguish Roger Terrier: height, coat color and head. The height of the Jack Russell Terrier does not exceed 40 centimeters and is relatively small. The coat color of the Jack Russell Terrier is mostly white, with brown, yellow, and black hair scattered all over the body. The Jack Russell Terrier has a flat head and very widely spaced ears. Button ears, almond-shaped eyes with dark circles.