FURVERT!

absurd_res animal_genitalia animal_penis anus balls big_balls big_butt butt equid equine equine_anus equine_genitalia equine_penis erection feral genitals group hay hay_bale hi_res horse male mammal manahallowhound penis presenting presenting_anus presenting_balls presenting_hindquarters puffy_anus quadruped rear_view solo_focus stable tail tail_anus tail_aside vein veiny_belly veiny_penis