The International Confederation of Wizards argued the matter out at their famous summit meeting of 1692. No fewer than seven weeks of sometimes acrimonious discussion between wizards of all nationalities were devoted to the troublesome question of magical creatures. How many species would we be able to conceal from Muggle notice and which should they be? Where and how should we hide them? The debate raged on, some creatures oblivious to the fact that their destiny was being decided, others contributing to the debate (Delegations of centaurs, merpeople and goblins were persuaded to attend the summit.).

At last agreement was reached.(Except by the goblins.) Twenty-seven species, ranging in size from dragons to Bundimuns, were to be hidden from Muggles so as to create the illusion that they had never existed outside the imagination. This number was increased over the following century, as wizards became more confident in their methods of concealment. In 1750, Clause 73 was inserted in the International Statute of Wizarding Secrecy, to which wizard ministries worldwide conform today:

Magical Beasts in Hiding