Wyvern is made between the two. Since the sixteenth century, in English, Scottish, and Irish heraldry, the key difference has been that a wyvern has two legs, whereas a dragon has four. However, this distinction is not commonly observed in the heraldry of other European countries, where two-legged dragon-like creatures being called dragons is entirely acceptable. In the modern fantasy genre, there is little differentiation between dragons and wyverns, with two-legged, magical reptilian creatures all likely to be referred to as "dragons" without any differentiation between types. Wyverns, when present as creatures distinct from dragons, tend to appear as less magical
Wyvern (vessel) onboard "Wyvern" shortly before she sank in an attempt to rescue the vessel by pumping out water. Two of the crew were later rescued, but a third crew member went down with the ship. He was found in the sea on 14 July 2013. "Wyvern" lay about under water after the foundering and various oil companies donated money to salvage her. Slavagers raised her from the Baltic Sea on 11 August 2013 and brought her to Stavanger on board the ship . She arrived in Stavanger on 15 August 2013. The cause of the foundering was found to be fractures