Leviticus 20:15–16
15 hIf a man lies with an animal, he shall surely be put to death, and you shall kill the animal. 16 hIf a woman approaches any animal and lies with it, you shall kill the woman and the animal; they shall surely be put to death; their blood is upon them.
Exodus 22:19
19 m“Whoever lies with an animal shall be put to death.