Loonie is the unofficial but commonly-used name for Canada's gold-coloured, bronze-plated, one-dollar coin. It bears an image of a common loon, a well-known Canadian bird, on the reverse and of Queen Elizabeth II on the obverse.
"Toonie" is the unofficial name for Canada's two-dollar coin; it is a portmanteau word combining the number "two" with the name of the loonie, Canada's one-dollar coin. In Canadian French it is known as a polar