Annales Zoologica Fennici 28:151‐163. Azzaroli, A. 1995. A synopsis of the Quaternary species of Equus in North America. Bollttino della Societa Paleontologica Italiana. 34:205‐221. Azzaroli, A., and ...

If we make a taxonomic sandwich between a Equus quagga, the Plains zebra ... separated by millions of years of evolution, these three species sometimes mix and match their mates, producing ...

All breeds of horses are members of the modern species Equus caballus, but experts believe that Friesians are actually descended from an ancient European species called Equus robustus. Unlike most ...