Wyvern and more as dangerous beasts smaller, weaker, and less intelligent than dragons. While a fantasy dragon often has a breath weapon, such as fire, wyverns rarely have such abilities and are more feared for their ferocity and sharp teeth and claws. Wyverns are sometimes associated with poison, either in the form of venomous fangs or poisonous breath, but this trait is not universally represented and may be a more recent addition to the lore based on the gila monster. A wyvern will typically be unable to speak, while a dragon often does have that ability. The wyvern features frequently in
Wyvern the coat of arms of the Tilley family. The kings of Aragon of the House of Barcelona since Peter IV used a wyvern as a crest on their helmets. Nowadays this symbol has been officially adopted as the coat of arms of the Generalitat Valenciana (Valencian Parliament and Government). The arms of the Worshipful Society of Apothecaries depict a wyvern, symbolising disease, being overcome by Apollo, symbolising medicine. The wyvern is also a fairly popular commercial logo or mascot, especially in Wales and what was once the West Country Kingdom of Wessex, but also farther afield in Herefordshire and Worcestershire,