watercolor closeup portrait of black russian terrier breed dog on white background. russian large longhair working

animal art background biology black breed canis card closeup club coat coated colorful companion cute design dog doggy domestic double drawing drawn familiaris fauna greeting hand home illustration image isolated kennel large lupus mammal military origin paint paw pet portrait puppy russian show silhouette sketch smooth sporting standard tchiorny terrier watercolor watercolour wild wildlife work working