Do dolphins have a dialect??

Dophins are known that they produce a vocalizations

(include clicks, whistles, barks, groans)

to navigate and communicate

with each other.

I read interesting news on website.

"As part of a recent research project,

student Ronan Hickey digitised and analysed a total of 1,882 whistles

from the Shannon dolphins

and those from bottlenose dolphins in Cardigan Bay in Wales.

He separated them into six fundamental whistle types and 32 different categories.

Of the categories, he found most were used by both populations of dolphins,

but eight whistle types were only produced by the Shannon dolphins."

(Source: Reuters)

Also in Canada, researchers have discovered

that in resident pods of killer whales,

each whale has the same set of calls, or dialect, as other pod members.

The only other mammals known to have true dialects are humans,

some monkeys, and the sperm whale.

Groups of whales that share the same "dialect" are related to each other.

Naoki and I have different dialect.

Naoki hope that Kota will speak his dialect.

But I'm not sure because he spend much more time

with his mum....