The Ultimate Guide to Horse Breeds covers the evolution of the horse. It has taken nearly 60 million years for the horse to evolve from its earliest form, Hyracotherium or Eohippus, to Equus caballus of the family Equidae, the modern horse, as we know it today. Eohippus (Dawn Horse) can be traced back to the Eocene period, between 56 and 34 million years ago, and is thought to have originated in Africa or Asia. This guide also empowers horse owners...