וְאֶת־הָאַרְנֶ֗בֶת כִּֽי־מַעֲלַ֤ת גֵּרָה֙ הִ֔וא וּפַרְסָ֖ה לֹ֣א הִפְרִ֑יסָה טְמֵאָ֥ה הִ֖וא לָכֶֽם׃
And the hare, because she cheweth the cud but parteth not the hoof, she is unclean unto you
Read kabbalistic (mystical) interpretation of Leviticus 11:6: and classical mystical sources.