Fierce dog baring teeth

aggression aggressive anger animals baring teeth barking close up color image copy space cut out dog fierce front view german shepherd gray background growling head and shoulders horizontal mouth open nobody one animal pet photography portrait protection safeguarding studio shot aggressiveness aggressor angry animal assertive canine close up closeup color colour creature cut out defending domesticated ferocious grim guarding head & shoulders mammal menacing merciless nature negative space omnivore open portraiture protecting pushy ruthless safeguard safety savage securing security silhouette studio threatening vertebrate vicious white space