portrait close-up jack russell wire haired terrier puppy dog on blue background

affectionate alert animal animals backdrop backdrops background backgrounds blue breed breeds brown canine clever close closeup curiosity curious cute dog doggy dogs ears excited expression eyes face facial fluffy hair haired hairy head human intelligent isolated jack lively loving loyal mammal obedient outdoors oute owner people perky person pet pets playful playing portrait portraits pretty pup puppies puppy pups purebred russel russell russells russels shoulders soft sparkling sweet tan tender tenderness terrier terriers watching white wire wirehaired wiry young