Wyvern folklore is rarely fire-breathing like the four-legged dragon. Sometimes modern fantasy book and media authors have wyverns that are frost-breathing or poison-breathing instead of fire-breathing. The current spelling "wyvern" is not attested before the seventeenth century as "winged two-footed dragon". According to the Oxford English Dictionary, it is an alteration of Middle English "wyver" (attested thirteenth century), from Anglo-French "wivre" (cf. French "guivre" and "vouivre"), which originate from Latin "vīpera", meaning "viper", "adder", or "asp". Conversely, medievalist William Sayers proposes a more complex origin for the term. He notes that the Anglo-French "guivre" and its Middle English derivative ceased to
Boars in heraldry the pierced head of a wild boar, also known as the coat of arms of Triballia. The war flag of the Serbian revolutionary forces during the First Serbian Uprising featured it together with the Serbian cross. In Belgium, the wild boar is the symbolic animal of the Ardennes forests in the south of the country, and is the mascot of one of the Belgian Army's premier infantry regiments, the Régiment de Chasseurs Ardennais, the soldiers of which wear a boar's head pin on their beret. Boars in heraldry The wild boar and boar's head are common charges in heraldry. The