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Elephants use deafening roars

Hi again,

I apologize for the long gap in elephants sounds. I got to a point where I was forced to make a whole series of new spectrograms for the work we're doing toward an online database of elephant calls, in addition to working with a continues flow of issues related to elephant conservation and welfare. The spectrograms of some of the rarer calls had not yet been uploaded to our current offline database and many needed first to be made. I had to make over 200 of them and each one is quite time consuming.

The last time I wrote about how elephants use sound to intimidate predators I mentioned what I call a trumpet blast. In addition, they have a couple of other powerful calls in their bag of frightening tricks! The roars elephants produce when they are scaring off lions are deafening! One of the early elephant scientists, Sylvia Sykes commented that these sounds could put "fear in the hearts of men." Indeed they can!

I was out with the EB family one day when Enid came upon a pride of lions resting under a small Acacia. With one incredible roar from her the lions ran off. When you listen to the sound she made notice how Enid begins to rumble and then takes a deep breath before roaring at the lions. Notice, too, that after she inhales she starts with a short rumble, then roars and then ends again with a rumble. We call this type of concantenated call a rumble-roar-rumble.

Can you hear the difference between the trumpet blast and the roar? Enid roars at a group of lions resting under an Acacia:

Thank you, Michelle P and Anna M, for your continued support! And thank you Nathalia! Your support is very much appreciated.

Petter and I wish you all a great weekend!