Listen: These Elk Sound Terrifying, Like Ringwraiths

April 20, 2016 - Scientists have solved one of nature's greatest mysteries: How do big bull elks produce an eerie shriek that sounds like the Ringwraiths from The Lord of the Rings?

Read more about how these large North American deer produce their bloodcurdling screams.

Learn more about elk.

Video courtesy Roland Frey
Audio courtesy Megan Wyman
Associate Producer: Jed Winer