A Horse Isn't A Horse, Of Course, Of Course · 3:56pm Jan 6th, 2014
I've come to the conclusion that there is no way that the Ponies are genus Equus (the one including our world's extant horses, donkeys and zebras, and numerous extinct varieties). My reason for this conclusion are the existence of gross anatomical differences, even between the Earth Ponies and real horses. (I mention the Earth Ponies because they are the Pony race which is physically most like actual horses).