The Bird of Light is as stated in the Secret Memo Menu, The Dark Dragon's opposite. He was removed from the game before release.
His connection of to the Egg of Light is unknown. Could he have hatched from it? Could he have laid the Egg? No one knows.
 Memo Description
- That of the Dark Dragon is in the Anithesis. (That is the Dark Dragon's Antithesis?)
- Darkness and Light.
- Despair and Hope.
- Destruction and Creation.
- That is what it is.