rule 34 absurd res alpha channel anthro bird black body black fur bodily fluids brown body brown fur canid canine canis claws collar dobermann domestic duo erection etienne klausd fur genital fluids genitals hi res humanoid genitalia humanoid penis hunting kaitoharo99 klaus doberman character labrador lying male malemale mammal moobs muscular muscular anthro muscular male on back pawpads penis pinscher precum retriever saliva simple background slightly chubby spread legs spreading tongue tongue out transparent background 6789541