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
Lion (heraldry) to Heraldry" (1829): English heraldist Charles Boutell wrote in 1890 that the lions of England were generally termed "leopards" until the end of the 14th century, including in the roll of arms of Henry III of England, and in a statute of Edward I of England, dating to 1300, which made reference to ""signée de une teste de leopart"—marked with the King's lion." In "English Heraldry" (1867), Boutell explained: In "Heraldry: Sources, Symbols and Meaning" (1976), German heraldist Ottfried Neubecker explained: According to Neubecker, what in Old French is termed a "léopard" is always "guardant" (head turned toward the observer),