2. Small Cats: This group includes cheetahs, ocelots, margay cats, rusty-spotted cats, and servals. They are typically smaller than big cats and do not have a true roar.
3. Wild Cats: This group includes species such as the African wild cat, European wild cat, jungle cat, and Pallas's cat. These cats are typically solitary and live in a variety of habitats.
4. Domestic Cats: This group includes the common house cat (Felis catus) and all its breeds, as well as the rare sand cat (Felis margarita) and black-footed cat (Felis nigripes). Domestic cats are descended from the African wild cat and have been domesticated for thousands of years.