You're absolutely right, Carol. Canada is a consitutional monarchy. Her official title is "Elizabeth the Second, by the Grace of God, of the United Kingdom, Canada and Her other Realms and Territories Queen, Head of the Commonwealth, Defender of the Faith." This is her 50th year as our monarch.

Now, there is some deal about Canada having constitutionally converted from having been a dominion of the realm, but that will need to be another installment.