The ancestors of dogs are wolves, and wolves basically move at night and rest during the day. This also causes wolves to have very good night vision, which is later passed on to dogs, so dogs cannot Dogs who are afraid of the dark, unless they are insecure or have separation anxiety, may be afraid of the dark. In such cases, parents should remember to give their dogs psychological comfort.

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What dogs are most afraid of is loud noises, such as thunder and firecrackers. In order to protect the physical and mental health of dogs, parents should be careful when encountering such incidents. Avoid as much as possible.