Giraffes were once thought to be completely silent. However, after 8 years of monitoring nearly 1000 hours of audio, researchers determined that giraffes make a deep “humming” noise at a frequency of 92 hertz.
Giraffe speak
Giraffes were once thought to be completely silent. However, after 8 years of monitoring nearly 1000 hours of audio, researchers determined that giraffes make a deep “humming” noise at a frequency of 92 hertz.