Leviticus 11:23

11:23 But any other winged swarming thing that has four legs is detestable to you.

Leviticus 11:27

11:27 All that walk on their paws among all the creatures that walk on all fours ¹  are unclean to you. Anyone who touches their carcass will be unclean until the evening,

¹ tn Heb “the one walking on four.” Compare Lev 11:20-23.