4:3
anal
anal_penetration
bestiality
breasts
equid
equine
erection
female
female_on_feral
feral
genitals
graphite_(artwork)
group
horse
human
human_on_feral
interspecies
male
male/female
mammal
monochrome
penetration
penis
quadruped
sex
tail
traditional_media_(artwork)
unknown_artist
vulva
