The reason dogs howl like wolves is due to atavism

Because the ancestors of dogs originated from wolves and both belong to the canine family. Although they have evolved into two species, they also retain certain characteristics. some similar characteristics. For example, the most common ones: marking territory with urine and howling.
First of all, the ancestors of dogs are wolves. In addition, there are many breeds of dogs with wolf blood in their bodies (either ancestors, or modern wolf blood mixed in during breeding. Some are man-made, in order to make Dogs are more ferocious, some are natural) The most obvious example is the husky, which is similar to a wolf. There is also a kind of dog specially bred in Europe. It is two-thirds of wolf blood. I can’t remember its name. It barely understands dog barking. It’s all wolf barking.
For example, golden retrievers, German shepherds, etc., they can all howl, but they rarely bark. Our dog also had this situation when he was about 3 years old. At that time, he was sick and hid under the wolf at night. The dog started whining under the sofa without even barking twice. It felt like it was suffering from illness and looked very pitiful

Dogs bark like wolves because they are seeking a mate

Seeking a mate. In fact, this situation is more common in rural areas, because many dogs in cities have been sterilized, and dogs are generally kept in cages at home and only walked once a day, so it is very common. It is rare to encounter a female dog, but dogs in rural areas are usually kept in the yard or just let go, so it is easy to see the female dog or smell the female dog's scent. During the courtship period, a male dog's body will secrete a hormone that causes the dogs to start barking to attract the female dog's attention. This situation usually occurs in spring.
 

Dogs bark like wolves because they sense a threat

When they are in danger, in fact, when dogs are in danger, they basically It means panic, so at that time it is more about subconscious behavior, that is, the wolf howls to call the owner. The wolf howl at this time is unconscious, but it is also the most real.

Dogs bark like wolves because they want to call their companions

In the end, they are calling their companions. In fact, animals like wolves in nature basically live in groups, and only a few of them live in groups. A small number of wolves will wander alone, so if a wolf pack finds that a companion is missing or is lost, it will howl to call the group and companions. In fact, dogs also have companions in life. If they suddenly cannot find them, The companions will also start howling.