The wyvern, sometimes spelled wivern, is a type of mythical dragon with two legs, two wings, and often a pointed tail.
Y Ddraig Aur, artist's interpretation of a flag that was carried by Owain Glyndŵr at the Battle of Tuthill. The interpretation as a wyvern is based on his privy seal.
A wyvern from a fourteenth-century manuscript in the National Library of Wales, Aberystwyth: this example has a second head at the end of its tail.
A carved wyvern on the choir stalls of Chester Cathedral in Cheshire, England, c. 1380
A wyvern fighting with a wolf, relief, Trento Cathedral, Italy
Guivre and vouivre are French names for a type of serpentine mythical creature, by extension a dragon, by some accords, equivalent to a lindworm or wyvern. The names can be used synonymously for the s
Vouivre. Liber Floridus, 1448.