AS MAD AS A MARCH HARE

TO BE AS MAS AS A MARCH HARE MEANS THAT YOU ARE VERY NERVOUS, VERY CRAZY. IN THE EARLY SPRING MALE HARES WANT TO MATE FEMALE HARES, SO THEY ARE VERY MAD. THE MATING BEHAVIOR OFTEN LOOKS LIKE A MAD DANCE, A CRAZY DANCE.. SO IF SOMEONE LOOKS HARES DOING THAT, HE CAN THINK THAT THEY ARE CRAZY.

BY THE WAY, IN THE NOVEL: ALICE'S ADVENTURES IN WONDERLAND, APPEARS A MARCH HARE WITH THE HATTER...