Dogs are very alert; even when sleeping, they will be startled by the slightest noise. Does this mean that dogs have very good hearing? Let's take a look at this article's introduction to dogs' hearing.

Corgi

　　Dogs have extremely sensitive hearing. Their hearing is 16 times better than that of humans. Usually, humans cannot easily hear low-frequency sounds from 6 meters away, but dogs can hear low-frequency sounds from 24 meters away. Dogs also have a wider hearing range; humans generally hear up to 20,000 hertz, while dogs can hear up to 40,000 hertz or even higher, allowing them to hear sounds from field mice, bats, and other animals. The dog whistle is made based on this feature of dogs.

　　At night, even when sleeping, dogs maintain high alertness and can clearly distinguish various sounds within a 1000-meter radius. Dogs' ears can also determine the direction of a sound and can turn toward the sound's source. This feature enables police dogs and hunting dogs to accurately receive sounds and guide their owners to the target, then track and surround the prey under the owner's command.

　　Dogs can also judge whether a person is friendly by the tone of their call using the dog's name, and they can form conditioned reflexes to the tone and syllable changes in human commands or simple language to complete tasks assigned by their owners. A dog's hearing does not stop due to rest or sleep; their ears are always moving continuously and always facing the direction of a sound, maintaining high alertness. Once something happens, they will immediately react.