1. She's in heat: If your cat is not spayed, she may be in heat and exhibiting this behavior to attract a mate. Chirping is a common vocalization during heat, and rolling on the floor is a way of exposing her scent glands to potential suitors.
2. She's playful: Cats often roll on the floor and chirp during playful interactions, especially if they're excited or stimulated. This could be a sign of her desire to play or a response to something you're doing, like using a toy.
3. She's stretching: Cats sometimes roll on the floor as a way to stretch and relax their muscles. The chirping could be a byproduct of her stretching or a sign of contentment.
4. She's grooming herself: Cats lick and groom themselves extensively, and sometimes this includes rolling on the floor to reach hard-to-reach areas. The chirping could be an incidental vocalization while she's cleaning herself.
5. She's feeling good: Some cats simply enjoy rolling around on the floor and chirping as a way to express their happiness and contentment.
6. She's expressing affection: Cats can roll on their backs and chirp as a way to show affection and trust. It's a way for them to show you that they feel safe and comfortable in your presence.
7. She's marking her territory: Cats have scent glands on their flanks and chin, and by rolling on the floor, they can leave their scent on the surface. This is a way for them to mark their territory and let other cats know who's in charge.
It's important to note that if your cat's behavior is accompanied by other unusual symptoms, such as lethargy, loss of appetite, or excessive vocalization, it's best to consult with a veterinarian to rule out any medical issues.