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TED-Education

Why do whales sing? - Stephanie Sardelis
"Communicating underwater is challenging. Light and odors don’t travel well, but sound moves about four times faster in water than in air — which means marine mammals often use sounds to communicate. The most famous of these underwater vocalizations is undoubtedly the whale song. Stephanie Sardelis decodes the evocative melodies composed by the world’s largest mammals."
http://ed.ted.com/lessons/how-do-whales-sing-stephanie-sardelis


Whales have an extremely important role in the oceans : They participate in maintaining a stable food chain. Like us, they are social animals and some of them, humpback whales, often rescue seals, sunfish and other species. They aren't receiving anything in return. That's what we call an altruistic behaviour. Also, Did you know that they can be a great ally against Climate Change?
 

They communicate, but they also sing ! Like we do. Let see how it works.

To find out more about TED-Ed, visit : http://ed.ted.com

Humpback Whales and corals
Whales : breeding & feeding grounds
Noise and whales
Horizontal Cultural Transmission
Ocean noise & whales
Sound propagation underwater
Cultural transmission of whales
Whales food : Krills
TED-Ed - Why do whales sing
Dolphin and coral
Human vocal system
Whales respiratory system
Baleen Whales
Odontoceti(toothed whales)/Mysticeti
Humpback Whale
Humpback Whales and corals
Humpback Whales and corals

 

 

Some of the whales are hightly threatened species. You can help NGO to save them with a donation :

http://www.greenpeace.org

http://www.worldwildlife.org

http://www.seashepherd.org

 

 

Credits

Written by

Stephanie Sardelis

Script Editor

Eleanor Nelsen

Design & Direction

Rémi Cans

Animation

Boniato Studio

Sound Design & Music

Henri-Pierre Pellegrin

Narration

Addison Anderson

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