Wyvern wyvern is thought to have derived from the figure of the dragon encountered by Trajan's legions in Dacia. It may be the origin of the red dragon of Wales and the golden dragon of the Kingdom of Wessex carried at the Battle of Burford in AD 752. The concept of winged snakes is common in cultures around the Mediterranean, with a notable example being the Egyptian goddess Wadjet. The oldest creatures outright referred to as "winged dragons" are Helios' chariot steeds, which aid Medea. Wyverns are very similar to dragons, and in many languages, cultures and contexts no clear distinction
Swedish heraldry typically occur in the crest, rather than on the shield as in Gallo-British heraldry. Also, the use of heraldic furs on the shield, while common in Gallo-British heraldry, is rare in German-Nordic heraldry. Furs in Scandinavia are generally limited to ermine and vair, which sometimes appear in mantling, supporters, or the trimmings of crowns, but rarely on the shield. Consistent with German-Nordic heraldry, the most common charges in Swedish heraldry include lions and eagles. Additional animals that frequently appear in Swedish heraldry include griffins and (especially in the northern provinces) reindeer. Stars are common and are usually depicted with six