Rule 34 Dev - 4_toes anal anal_knotting anal_penetration anal_sex anthro anthro_on_feral anus black_fur blush canine canine_penis claws cum cum_in_ass cum_inside digitigrade dog-bone edit erection feral forest furry gay grey_fur hindpaw homosexual interspecies knot knotting legs_up lying male male/male male_only no_humans nude on_back pawpads paws penetration penis rozga sex skunk soles timberwolf toes tongue tree wolf zoophilia|1412667008