Leviticus 11:19

“You shall take with you of every clean animal by sevens, a male and his female; and of the animals that are not clean, two, a male and his female;

Then Noah built an altar to Yahweh and took of every clean animal and of every clean bird and offered burnt offerings on the altar.

‘You are therefore to separate between the clean animal and the unclean, and between the unclean bird and the clean; and you shall not make yourselves detestable by animal or by bird or by anything that creeps on the ground, which I have separated for you as unclean.

“These are the animals which you may eat: the ox, the sheep, the goat,

Where the birds build their nests, The stork’s home is in the fir trees.

In that day men will cast away to the moles and the bats Their idols of silver and their idols of gold, Which they made for themselves to worship,

Then I lifted up my eyes and saw, and behold, two women were coming out with the wind in their wings; and they had wings like the wings of a stork, and they lifted up the ephah between the earth and the heavens.

since they relate only to food and drink and various washings, requirements for the body imposed until a time of reformation.