The Big ImageBoard (TBIB) - 4 claws 4 toes anal anal penetration anatomically correct anatomically correct genitalia anatomically correct penis animal genitalia animal penis balls black background black body black claws black ears black face black fur black markings black nose bodily fluids body part in ass brown body brown ears brown eyes brown fur canid canine canine genitalia canine penis canis claws cum cum in ass cum inside cum on ground cum while penetrated curved tail dark claws dark eyes dark face dark markings dark nose dark pupils digitigrade domestic dog duo erection eye markings eyelids facial markings fangs feet feral feral on feral feral penetrated feral penetrating feral penetrating feral floppy ears four tone body four tone fur from behind position fur fur markings genital fluids genitals glistening glistening body glistening fur glistening genitalia glistening penis great dane head markings hi res iris klaus doberman knot leaking lidded eyes light body light fur light inner ear long penis looking aside looking at another looking at partner male male/male male penetrated male penetrating male penetrating male mammal markings mastiff molosser monotone balls monotone feet monotone genitals monotone inner ear monotone paws monotone penis monotone tail mounting multicolored body multicolored ears multicolored face multicolored fur muscular muscular feral muscular male narrow tail open mouth paws penetration penile penile penetration penis penis in ass prick ears pupils quadruped red penis sex short fur simple background snout source request standing standing sex tail teeth thin tail toe claws toes two tone ears two tone face white body white fur white inner ear yellow balls yellow body yellow face yellow feet yellow fur yellow paws yellow tail