Rough collies are a long-haired breed of medium-sized to large dog originally used to herd animals in Scotland. They are not a nervous or agressive dog and are good with children. They make good family pets. The most famous rough collie is Lassie, so some people call this kind of dog a Lassie dog.
Russian Blues are a kind of cat that arose naturally in Russia. They have a distinctive soft grey coat and a sleek appearance. They are intelligent, loyal, playful and friendly but can be shy of strangers.