Question

what is the source of voice of porpoise ?​

Answer 1

Like other odontocetes, harbor porpoises use echolocation for feeding and orientation. The dominant components of harbor porpoise echolocation signals are narrowband, high-frequency (ultrasonic) clicks within 110-150kHz. This is consistent with their hearing, with best sensitivity between 100 and 120 kHz.

Answer 2

Answer:

porposie is a group a fully aquatic marine mammals similar in appearance a dolphin all of which are classified under the family

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