Rule 34 Dev - 2019 anal anthro anthro_on_feral anus ass austrum balls beast_rimming black_anus bodily_fluids butt_sniffing canid canine digital_media_(artwork) duo equid equine feral fox fur hi_res horse male male/male male_anilingus mammal musk nude open_mouth oral rimming saliva sex sniffing tongue tongue_out zoophilia|3835521520