1.0 link Rainbow Dash Network http://rainbowdash.net/ Cerulean Lulamoon-Spark (ceruleansparkold) http://rainbowdash.net/ceruleansparkold http://rainbowdash.net/notice/301827 A pony is a small horse (Equus ferus caballus). Depending on context, a pony may be a horse that is under an approximate or exact height at the withers, or a small horse with a specific conformation and temperament.