FURVERT!

2016 anus blue_eyes butt cutie_mark dock_(anatomy)equid equine fan_character female feral fur genitals green_eyes hair hasbro hi_res horse looking_back mammal marsminer my_little_pony nurse pony presenting presenting_hindquarters quadruped raised_tail rear_view scientific_instrument simple_background solo southern_belle spread_legs spreading standing tail thermometer vulva weather_instrument wide_eyed yellow_body yellow_fur