Rule 34 Dev - animal_genitalia animal_penis balls black_nose canine_genitalia canine_penis claws collar desert feral genitals heterochromia knot light looking_at_viewer male muscular muscular_arms muscular_male paws penis raised_tail saggy_balls sitting sky smile solo sunlight toe_claws white_body smiley bull_terrier canid canine canis domestic_dog hunting_dog mammal terrier hi_res|3120272