2015analanal_knottinganal_orgasmanal_penetrationanal_tugginganimal_genitaliaanimal_penisanthroanthro_on_bottomanthro_on_feralanthro_penetratedartist_logoass_to_assbestialityblack_bodyblack_furblack_noseblack_tailbodily_fluidsborder_colliebrown_eyesbrown_pawpadscanidcaninecanine_genitaliacanine_peniscaniscolliecumcum_in_asscum_insidecum_on_groundcum_on_knotcum_on_own_knotcum_on_own_peniscum_on_peniscum_on_selfcum_while_penetrateddateddomestic_dogduoejaculationerectionferalferal_on_topferal_penetratingferal_penetrating_anthrofurgenital_fluidsgenitalsgrasshands-freeherding_dogintraspeciesintraspecies_bestialityknotknotted_penisknottingkola_(artist)logomalemale/malemale_on_bottommale_on_topmale_penetratedmale_penetratingmale_penetrating_malemammalnudeon_bottomon_topopen_mouthorgasmorifice_tuggingoutside_sexpastoral_dogpawpadspenetrationpenilepenile_penetrationpenispenis_in_asspink_penispink_tongueplantpull_outred_penisreverse_doggystylesexsheepdogside_viewsignaturesimultaneous_orgasmstailtan_bodytan_furtonguetongue_outtraditional_media_(artwork)treeunknottingwhite_bodywhite_furwhite_tail