closeup portrait of beautiful black dog of staffordshire bull terrier breed, with proud look, standing on autumn public park backg

active alertness animal autumn background beautiful black body breed bull canine closeup color colorful copy cute dog domestic energy expression eyes face family foliage friend friendly guard horizontal look member nature outdoor outdoors outside park pedigree people pet portrait power proud public purebred red serious show space staffbull staffordshire standing strong sun terrier tree vibrant walk yellow