The favorite horses of both Alexander the Great (Bucephalus) and Julius Caesar both had atavistic mutations - extra toes. Horses normally have only one toe per foot but are descended from horses with three or four toes on each limb.
Posted by david meadows on Nov-18-05 at 4:23 AM Drop me a line to comment on this post! Comments (which might be edited) will be appended to the original post as soon as possible with appropriate attribution.