In the mediaeval period there was no real percieved difference between real and mythical animals, after all, much of the world remained unknown and who was to say what strange and magical creatures existed in distant lands? As heraldry developed a whole menagerie of imagined creatures Understanding Signs & Symbols – Heraldry, S. Oliver & G. Croton, Quantum, London, 2013, P164 came into being, and their various representations became more or less standardised in form and appearance. The griffin is perhaps the most common of these creatures, being a chimera with the body of a lion and the head and wings of an eagle. A Glossary of Terms used in British Heraldry, J.H. Parker, Oxford, 1894, Entry:Griffin. It is most often in the pose known as rampant segreant, on its hind legs with claws and wings extended. Vinycomb has much to say on the subject of the griffin, perhaps summarised in his belief that it represents “strength and vigilance”.]Fictitious & Symbolic Creatures…in British Heraldry, J. Vinycomb, Chapman & Hall, London, 1906, P150