Brandie Longoria October 22, 2018 Unit 2 Elephant Infrasound Paragraph with dress ups Infrasound in Elephants 2 In 1984, Katy Payne first realized that elephants could communicate below the level of human hearing. Her observations inspired research into infrasonic elephant communication. 5 While humans can hear greater than 20 hertz, which is roughly four steps below the low note on a piano, elephants can generate sounds called “rumblings.” from one to twenty hertz 3 because to their enormous vocal cords. Remarkably, under the right conditions, infrasound can 3sss be heard up to six miles away. They call for help. They call to mate. They call to warn of danger. 4 Emitting infrasonic sounds, elephants may even be spacing themselves, so that they do not consume all vegetation in a given area.