In this article, Bill Robinson describes the three main classifications of gait for animals: (1) Plantigrade--animals that walk on their entire foot; (2) Digitigrade--animals that walk on their "toes"; and (3) Unguligrade--animals that walk on the tips of their toes or hooves. Robinson explains each gait in great detail, but leaves his audience with the mystery of not answering the title's question.