black russian terrier, tchiorny terrier, brt dog digital art on white background. russian origin working

animal animalia art artwork biology black breed brt canine canis club cute design digital dog doggie doggy domestic domesticated drawing drawn female fluffy friend funerary guardian hand head hound illustration kennel loss lupus male mammal painting pedigree pet portrait print puppy purebred russian show sporting sweet tchiorny terrier watercolor watercolour web