Why does a puppy go on its back and puts paw inside the tummy?

There are a few reasons why a puppy might go on its back and put its paw inside its tummy.

1. Playing. Puppies are naturally curious and playful, and they may simply be exploring their own bodies and discovering new ways to move. When a puppy rolls over onto its back and puts its paw inside its tummy, it may be trying to scratch an itch or get a better look at its belly.

2. Comfort. Some puppies find it comforting to lie on their backs with their paws tucked in. This position may help them feel secure and relaxed, and it may also help them to regulate their body temperature.

3. Medical problems. In some cases, a puppy may go on its back and put its paw inside its tummy as a sign of a medical problem. If your puppy is displaying this behavior along with other symptoms such as vomiting, diarrhea, or lethargy, it's important to take them to the vet for a checkup.

4. Grooming puppies use their paws to groom themselves, particularly those areas they can't quite reach with their tongue, like their bellies.

If you're concerned about your puppy's behavior, it's always a good idea to talk to your veterinarian.