animal_genitaliaanimal_penisanimal_vulvaanusbarnblue_insidesbodily_fluidsborder_colliebrown_bodybrown_furcanidcaninecanine_genitaliacanine_vulvacanisclydesdalecolliecyanotic_epitheliumdeep_penetrationdomestic_dogdraft_horseduoequidequineequine_genitaliaequine_penisfemaleferalfurgenital_fluidsgenitalsherding_doghi_reshorseinterspeciesmalemale/femalemammalnauticalcaninepastoral_dogpawspax_(nauticalcanine)penetrationpenispurple_bodypurple_fursheepdogsize_differencevaginal_fluidsvulva