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狗耳朵的作用

关于狗猫耳朵,有趣的7件事

人类听觉范围大概是20赫兹至20千赫兹,包括更低的频率比狗能听到。 狗的收听频率大概从64赫兹开始到更高的44千赫兹。小狗出生时耳朵是聋的,大概出生一周后,狗狗的听力才开始发育。狗狗倾斜脑袋,是为了更好的理解声音。

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