“Russian Blues have slightly upturned corners of the mouth, often called a "Mona Lisa smile," that make them look permanently pleased with themselves.”

Reference: Cat Fanciers' Association (CFA)

More cat facts

A polecat is not a cat, or a pole. It is a nocturnal European weasel.

The Russian Blue is believed to have come from the port city of Arkhangelsk in northern Russia and was once known as the "Archangel Blue."

The Labrador Retriever has a thick, rounded, tapering "otter tail" that works like a rudder, helping the dog steer while it swims.