animal_genitalia anthro balls black_nose cheek_tuft clear_sky cloud conifer detailed_fur eyes_closed facial_tuft fangs fluffy full_moon fur genitals grey_body grey_fur grey_hair hair howling kneeling kneeling_on_ground male mane moon nature navel night nude open_mouth plant sheath snow solo star tongue tree tuft white_body white_fur winter_background argon-42 canid canine canis mammal wolf detailed hi_res
Updated version: https://www.deviantart.com/argon-42/art/Howling-At-The-Moon-1078794037