Scientific name -- Equus pegasus
Size -- 15.5 hands high
Diet -- grass, apples, sugar cubes

Pegasus was born from the severed neck of the slain gorgon Medusa.  Bellerophon slew the mighty Chimera from the back of Pegasus after taming him with the help of Athena and the Golden Bridle.  Pegasus later flew to Olympus where Zeus made him into a constellation.