Leviticus 18:23

18:23 You must not have sexual intercourse with any animal to become defiled with it, and a woman must not stand before an animal to have sexual intercourse with it; it is a perversion.

Leviticus 18:25

18:25 Therefore the land has become unclean and I have brought the punishment for its iniquity upon it, so that the land has vomited out its inhabitants.