Caribbean or Pacific?: Sperm Whales Have Accents & Regional Dialects (VIDEO)

It’s not only us humans who have regional accents and dialects: Sperm whales do too, according to a new study published in Animal Behaviour. Researchers from the Domenica Sperm Whale Project have recorded and compared the various calls of whales over time. They found that Caribbean and Pacific whales have different “repertoires” of codas, the patterns of clicks whales make to each other when diving.

Further, different codas have different meanings, and whales can tell which member of their community is speaking based on the coda’s sound properties. Something called a “Five Regular” call is a pattern of five evenly spaced clicks that seem to be used to indicate the individual identity of a whale.

The researchers emphasized that the sperm whale is most threatened by human pollution and not only the junk we throw into the ocean. Noise is very much their enemy; more details from Science Daily:

Not only do humans introduce toxins into the ocean, but they also generate harmful sound pollution. Increased shipping traffic, underwater explosions caused by searching for oil, and military sonar all contribute to ocean noise that masks communication between whales. “No one wants to live in a rock concert,” says Mr. Gero, adding that noise pollution is especially troublesome in the ocean because “it is a totally different sensory world.” The sperm whales can dive to depths of over 1000 metres and depend on sound for communication and navigation in the pitch black of the deep water.

One researcher who is working on his Ph.D., Shaune Gero, is studying how whale calves acquire language. Like humans, baby whales babble first. Gero is “interested in discovering how the babies’ diversity of calls gets narrowed down to the family repertoire”: Sperm whales live in “matriarchal social units” composed of mothers, daughters and grandmothers. Adolescent males are “ostracized from the group and travel towards the poles until they are ready to breed” but female whales actually “baby-sit each other’s offspring while mothers are diving.”

The description of the whales’ codas fascinates me also because my teenage autistic son Charlie has minimal language, all of it acquired precious phoneme by phoneme, syllable by syllable. Charlie can use phrases of one to five words but often I find that it is the sounds and melodies that he makes that reveal a lot more about what he might be thinking and feeling. His articulation is still rather muddled and we often figure out what he is saying based on the tones, rhythms and melodies that Charlie utters. Indeed, “coda” might not be a bad word to describe some of the sound combinations that Charlie uses; these do have meaning (of distress, happiness, feelings of various sorts), if you have listened long enough and are willing to think that what sounds like random sounds indeed has meaning. 

Here are sperm whales “resting, echolocating and communicating” off the island of Dominica in January of 2011:


Photo of two sperm whales by


Carole R.
Carole R6 years ago

Lovely post. All whaling should be banned. These beautiful creatures deserve to live in their oceans in peace.

Manuela B.
Manuela B6 years ago

just beautiful..

Judith Corrigan
Judith Corrigan6 years ago

Maybe if we can communicate with them because of this research then whale hunting may be banned forever.

Julie D.
Julie D6 years ago

When I trained as a teacher we were taught to look for and celebrate all types of intelligence, not just the academic, reading, writing and 'rithmatic, sort. So we praise children who are creative, artisic, musical, have geat memories for data e.g. many on the autistic spectrum can recall names and dates with far greater accuracy than the rest of us but are unable to interpret this information.

Having had my eyes opened it was but a short step to appreciate that species which do not have opposable thumbs and technological capacity could also have high levels of intelligence, after all, for most of our c. 2million yrs on earth humans had no written language and relied on simple tools fashioned from their immediate environment.

I have read that humback whales also have "dialects" and a current BBC series (Strange Seas) included research that bottlenosed dolphins develop their own call signature - a name, at 1-2 yrs old. They react to their name when called by other pod members and in return, keep in contact by calling the names of dolphins they know. When researchers played back an altered version (so that it sounded like a strange voice) of a signature call to that dolphin's pod, they responded by approaching the hydrophone. When a strange dolphin's call signature was played to them the pod ignored it.

Humans are not the only intelligent species on earth, but we're the only one capable of destroying all the others.

Christine S.

Whales are cool- I hate Captain Ahab and all the real life whale killers...

dawn w.
Dawn W6 years ago

They're even smarter than we thought.I tried to listen to the video but I'm not getting sound from the videos on the care2 site.Is anyone else having this problem or is it my computer?

Lynda S.
Lynda S6 years ago

Totally awe inspiring

John S.
Past Member 6 years ago

Thanks, does make sense.

Parvez Z.
Parvez Zuberi6 years ago

thanks for interesting article

Yvette T.
Past Member 6 years ago

Of course all communities have their localized languages, dialects. All sentient beings are masters of communication., some telepathic.