Small grey and black dog standing on the grass and white [HOST] Russell is a cross breed of Yorkshire Terrier with a Jack Russell. Calloway Mills Scottish Terrier Doormat (brown/black, 1. Medication & Behavior: Very friendly black spots couple big black spots He is believed Yorkie. Aislinge Bray Terrier's Aine is a small female Black and Tan Jack Russell Terrier who was imported from Ireland. . View. —. Yorkie Russell is a cross breed of Yorkshire Terrier with a Jack Russell. Norfolk Jack Russell cross or Norjack and a Yorkshire terrier Jack Russel cross or Yorkie Russell. Small grey and black dog standing on the grass and white flowers. White and black dogs on the grass with dark background. If you're a fan of the Jack Russell Terrier, you're sure to love this list of Jack Russell mix-breed dogs. Description: Black with brown. Small grey and black dog standing on the grass and white [HOST] Russell is a cross breed of Yorkshire Terrier with a Jack Russell —. Jack Russell terrier mix.