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Earth’s original #biophony, “In 2011 a team led by Jun-Jie Gu, now at Sichuan Agricultural University in China, worked out that a specific ancient katydid emitted songs tuned to a frequency of 6.4 kilohertz… roughly an octave higher than Mariah Carey’s highest recorded note.”
For billions of years Earth was quiet. Then life got loud.
Recent insights into the evolution of animal acoustics have led to a new understanding of how our modern-day soundscapes came to be. https://www.scientificamerican.com/article/fossils-reveal-when-animals-started-making-noise/
