2, imitate the same kind: dogs are very curious, usually like to imitate people's behavior, sometimes dogs see other dogs digging holes, then dogs will learn to dig holes, just as people will learn the behavior of people around them.
3, boring to find something to do: when dogs are bored, they may also find something to do, and this digging hole is one of them. Many dogs like to play with mud or dig holes, which is one of the ways for dogs to have fun when they are bored, just like people will find something to do when they are bored.
4. Hide things: Dogs sometimes dig holes to hide things. For example, they usually dig holes and bury the bones they like or don't want to eat, so that other dogs won't find them or take them away, so that they will feel more secure.
5, hunting: dogs themselves have the instinct to hunt, sometimes digging holes is to hunt animals living in the soil, which is also the instinct of dogs to survive since ancient times. How else can dogs live?
6. Signs before death: Dogs also dig holes before they die. This is to prevent it from being carved up by natural enemies after death. Digging a hole can better preserve the body. If you find your old dog digging holes like this, it's probably time.
7. If dogs are found not only digging holes, but also eating sand and dirt, then dogs may not only dig holes, but also be the behavior caused by pica. Once found, the pet owner had better feed some trace elements to the dog, replenish the trace elements lacking in the body in time, and relieve pica. Usually, dogs should be provided with dog food with comprehensive nutrition, which can avoid pica caused by the lack of trace elements in dogs. It is best to choose a high-quality natural food as the staple food for dogs, such as "greedy natural dog food", and usually feed some fruits, vegetables, meat, etc. to help balance nutrition.