Pure-bred Jack Russell Terrier ...Serious inquiries only! Email us via email ...((barbaratellini15@gmail.com)) for more info about the them . Junior a tri color Jack Russell terrier. He is only 1 year old right now weights in 14 pounds. I do not plan to breed him until he\'s 2 years old or older. I like to make sure he is ...Serious inquiries only! Email us via email ...((barbaratellini15@gmail.com)) for more info about the them .