Animal World

Animal Characteristics and Activities

What is the frequency that separates animal hearing from human?

The frequency of a sound is the pitch. Frequency is expressed in hertz or Hz. Sounds are classified as infrasounds (below the human range of hearing), sonic range (within the range of human hearing), and ultrasound (above the range of human hearing).

Animal Frequency range heard (Hz)
Dog 15 to 50,000
Human 20 to 20,000
Cat 60 to 65,000
Animal Frequency range heard (Hz)
Dolphin 150 to 150,000
Bat 1,000 to 120,000


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