5:4all_foursalperionanalanal_penetrationanimal_genitaliaanimal_penisanthroanthro_on_feralanthro_penetratedanusball_size_differenceballsbestialitybestialwruffbipedbuttcanidcaninecanine_genitaliacanine_peniscaniscaracalcaracal_(genus)collardigitigradedoggystyledoghousedomestic_dogduoerectionfelidfelinefenceferalferal_penetratingferal_penetrating_anthroferal_penetrating_malefrom_behind_positionfurgenitalsgerman_shepherdgrasshairherding_doghi_resknotknotted_penismalemale/malemale_anthromale_feralmale_on_anthromale_on_feralmale_penetratedmale_penetratingmale_penetrating_anthromale_penetrating_malemammalmountingmulticolored_bodymulticolored_furoutside_sexpastoral_dogpenetrationpenilepenile_penetrationpenispenis_in_assplantquadrupedryan_(ry_the_shep)sextailtree