Leviticus 11:27 Cross References - Webster

²⁷ And whatever goeth upon its paws, among all manner of beasts that go on all four, those are unclean to you: whoever toucheth their carcass shall be unclean until the evening.

²⁰ All fowls that creep, going upon all four, shall be an abomination to you.

²³ But all other flying creeping animals, which have four feet, shall be an abomination to you.