What primary sound production characteristic separates dolphins acoustically from most porpoises?
Answer
Dolphins use whistles and clicks, while porpoises often communicate using clicks above human hearing
Dolphins are known for being 'talkative' using whistles and clicks, but structural differences in the porpoise's blowhole may prevent them from producing whistles, leading to clicks that are often ultrasonic.
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What Is The Difference Between Porpoises and Dolphins? - YouTube
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