3D models show dolphins already used narrow-band sound waves for orientation 5 million years ago

PHYSorg
Jul 26, 2024, 12:59 pm165 pts
Senckenberg researcher Dr. Rachel Racicot and her former student Joyce Sanks from Vanderbilt University have examined the inner ear of the extinct dolphin genus Parapontoporia. In their study, published in the journal The Anatomical Record, they show that the toothed whales had already developed specialized…

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