Leviticus 20:25

New Century Version

So you must treat clean animals and birds differently from unclean animals and birds. Do not make yourselves unclean by any of these unclean birds or animals or things that crawl on the ground, which I have made unclean for you.

Cross References

Genesis 1:21

So God created the large sea animals and every living thing that moves in the sea. The sea is filled with these living things, with each one producing more of its own kind. He also made every bird that flies, and each bird produced more of its own kind. God saw that this was good.

Leviticus 10:10

You must keep what is holy separate from what is not holy; you must keep what is clean separate from what is unclean.

Acts 10:28

He said, “You people understand that it is against our law for Jewish people to associate with or visit anyone who is not Jewish. But God has shown me that I should not call any person ‘unholy’ or ‘unclean.’