Rule 34 Dev - 2017 4_toes 5:4 5_fingers anthro anthro_on_anthro avian beak bird blonde_hair blue_feathers breasts brown_fur chewycuticle cowgirl_position crouching digitigrade duo equine erection feathered_wings feathers female fur grey_background gryphon hair half-closed_eyes hi_res horse hybrid interspecies lying male male_penetrating mammal merygryph navel nipples nude on_back on_top orange_sclera penetration penis purple_feathers pussy pussy_juice sex signature simple_background straight toeless_(marking) toes tongue vaginal_penetration wings|2962826144