Is it important if your cat is a possible purebred cat? Of course not. Unless your heart is really set on a purebred cat. But if you really love cats you will get the same if not more fun and pleasure from being the human companion to a beautiful moggie, particularly a rescued moggie. After all they need us more. That makes a difference. Anyway, here is a cat whose human caretaker describes as a "likely Norwegian Forest Cat". He looks like one. But we can never tell from appearance alone. You need a pedigree in writing and certified to be certain! The Siberian for one is a breed that is similar to the NFC. And sometimes a Maine Coon can look like an NFC. They do have a similar background it is said. Norwegian Forest Cat - photo by Steph (Nikon D80) His name is Boobear and he smiles a lot. This "smile" may be due to his mouth being slightly open and the shape of his mouth. Cats do leave their mouths slightly open fairly frequently sometimes with their tongue