dog breed pit bull

adorable adrenalin aggression aggressive american anger angry animal attractive background beautiful big breed brown bull camera canine closeup collar color concepts cruel curious cute dangerous dog domestic evil expression face fear forceful friend funny fur furious gray happy home isolated lifestyle looking mad malicious mammal muscular nice nobody one paw pedigreed pets pit pitbull pitbulterrier portrait power powerful pretty protection puppy purebred side staffordshire standing strong studio terrier threats view violence white wicked young