There are many reasons for this situation. It may be that the dog is in heat and there is an abnormal smell in the environment. When the dog is ready to excrete, it will also smell around on the ground. The dog will also smell everywhere when it is hungry. Sniff the dog to find food. Parents can observe the dog more to find out the reason for its sudden behavior. As long as it is not sick, there is no need to worry too much.

Tip:

Dogs have an extremely keen sense of smell. They can smell smells that many people cannot smell, so we usually see dogs sniffing around. This is normal phenomenon.