The LORD spoke again to Moses and Aaron, telling them,

Genesis 7:2
You are to take with you seven pairs of every kind of clean animal, a male and its mate; a pair of every kind of unclean animal, a male and its mate;

Genesis 8:20
Then Noah built an altar to the LORD. And taking from every kind of clean animal and clean bird, he offered burnt offerings on the altar.

Leviticus 10:20
And when Moses heard this explanation, he was satisfied.

Leviticus 11:2
"Say to the Israelites, 'Of all the beasts of the earth, these ones you may eat:

Leviticus 20:25
You are therefore to distinguish between clean and unclean animals and birds. Do not become contaminated by any animal or bird, or by anything that crawls on the ground; I have set these apart as unclean for you.

And the LORD spoke to Moses and to Aaron, saying to them,