Blue Whales: Giants of Earth

The blue whale is not only the largest animal to have ever existed on Earth, it's also the loudest. This mammal's low-frequency calls measure around 200 decibels (a jet plane takeoff is around 140dB). However, the pitch of the call is so low, it's beyond human hearing.


Love getting smarter? Sign up for our newsletter to learn something new every day!

Fooled by Nature - Whale of a Tale

Share the knowledge!