Leviticus 11:26-27
Inedible Land Quadrupeds
11:26 “‘All animals that divide the hoof but it is not completely split in two and do not chew the cud are unclean to you; anyone who touches them becomes unclean.
11:27 All that walk on their paws among all the creatures that walk on all fours are unclean to you. Anyone who touches their carcass will be unclean until the evening,