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
Women in heraldry systems of heraldry these differences remain active. Heraldry has its origins from associations with warfare and the age of chivalry. The traditional shield was also associated with war and so women did not usually display familial arms on escutcheons. Rather, they could display these on various other shapes: more commonly the lozenge, an oval, or a cartouche. The crest–a device that sits atop the shield on an armorial achievement–likewise was not accorded to heraldic devices of women as these had associations with warfare. In many heraldic traditions, arms generally are passed patrilineally. In other nations, in Canadian heraldry for example,