Chihuahua
The hearing range of dogs is 15Hz-50000Hz. After experiments, researchers found that dogs The hearing of dogs is about 16 times that of humans, so dogs can "hear everything" better than humans.
Because dogs have a wide range of hearing, they can even hear ultrasound and infrasound, so occasionally you will find that your dog barks like crazy without understanding why. It is probably because They hear things you don't hear. In addition, dogs are also very capable of distinguishing sound sources. If they can speak, they will tell you the characteristics of the sound made by every car in the community and who is the footsteps in the corridor. Issued and so on.
Dogs’ keen hearing also brings a lot of convenience to people. For example, they can help their owners guard the door, and some dogs are trained to be police dogs to help the police solve crimes. However, because dogs have developed hearing, they are easily frightened by high-frequency sounds. In daily life, you may find that dogs hate the sound of vacuum cleaners. As soon as they see their owners taking out the vacuum cleaner, they will hide under the table or run straight to other rooms. Therefore, when you need to use a vacuum cleaner or other tools that make loud noises, it is best to move your dog to another room first.
Here is a very typical little experiment that can let you know how sensitive the dog's hearing is: prepare a rhythm machine and set it to oscillate 96 times, 100 times, 133 times and 144 times per minute. , dogs can hear the difference, can you?
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