"Sperm whales flap phonic lips in their nose to create clicking sounds. They combine these clicks into rhythmic series called codas, which can vary from whale clan to whale clan."
"Researchers at Project CETI discovered a whole new dimension of sperm whale communication. These clicks come in two different types based on the relationship between the different frequencies present in the sound."
"The vowel-like differences in sperm whale clicks are hard to hear with the human ear unless they are sped up. This subtle difference between the two vowels shows up clearly on spectrograms."
Sperm whales use a click-based communication system that mirrors human language vowels. Their vocalizations, created by flapping phonic lips, form rhythmic series called codas. Recent research indicates that sperm whale clicks consist of two types based on frequency relationships, akin to human vowel sounds. This discovery highlights the complexity of their communication, previously thought to be merely rhythmic. The differences in these clicks are subtle and can be analyzed through spectrograms, revealing a new dimension in understanding sperm whale communication.
Read at www.scientificamerican.com
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