Sounds of whales and dolphins
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Dolphins and whales have voices, but it's a lot different from most other mammals. The limited visibility under water made sounds and hearing very important for them. The sounds of the whales are not produced with their mouth/beak but only inside their blow-hole. They also use frequencies that reach far beyond our hearing capabilities. Of course they can also hear these higher frequencies.
Just as we, whales use sound to communicate. Large whales can communicate over very large distances (several hundred kilometers!) using very low frequencies. Dolphins usually use higher frequencies which limits the distance.
Tooth whales use sound not only to communicate, but also to "see". Similar to bats they send out sounds and listen to the echo that comes back from objects (like fish or rocks). This kind of SONAR (SOund NAvigation Ranging) works very well. Even in complete darkness they can find their way through the ocean and also find their food.
When you listen to the sounds you will usually hear two kinds of sounds. One that sounds like whistling (high pitched sounds) and one that sounds like a rattle or clicking. In general the whistles are for communication and the clicks is the SONAR.
All sounds are copyright by Espaco Talassa. You can download them for private use only. None of the sounds may be used on other web pages and may not be distributed in any way. Commercial use is prohibited. Please don't use them on your web page or put them on other servers or online services and also don't use them for your business.
Thanks very much to Serge at Espaco Talassa for letting me use his CD.
Each sound is available in two formats.
First the standard .wav format which Netscape or Explorer will be able to play directly.
In a highly compact format called MPEG layer3. Those .mp3 files are much smaller than the .wav files but the quality is virtually the same. I recommend to get them instead of the .wav files as the .mp3 files load much faster. You just need a player which you can get here:
Remember when listening to the sounds that you only hear what our (human) ear is capable of hearing. Dolphins use frequencies that are above our hearing limit, thus we only hear a part of what they "say".
- Bottlenose Dolphins: .mp3 file (64 kb)
- Spottet Dolphins:.mp3 file (57 kb)
- Common Dolphin:.mp3 file (59 kb)
- Common Dolphin (lots of sonar): .mp3 file (101 kb)
- False Killer Whale:.mp3 file (83 kb)
- Pilot Whale:.mp3 file (103 kb)
- Risso's Dolphin (whistle and sonar):.mp3 file (93 kb)
- Risso's Dolphin (just the "whistle): .mp3 file (27 kb)
- Sperm Whale: .mp3 file (72 kb)
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