http://news.bbc.co.uk/1/hi/wales/mid/6669469.stm
Bottlenose dolphins are talking to each other using a dialect that could be unique to Wales, claim scientists.
The whistles of dolphins in Cardigan Bay are different to those living off the Irish coast, a study has found.
Ronan Hickey analysed 1,882 whistles for his masters degree in marine mammal science at University of Wales, Bangor.
Dolphins produce a variety of "vocalisations" including clicks, whistles, barks, and groans to navigate and communicate with each other.
Mr Hickey examined the sounds made by dolphins on both the Welsh and Irish sides of the coast.
Bottlenose dolphins are talking to each other using a dialect that could be unique to Wales, claim scientists.
The whistles of dolphins in Cardigan Bay are different to those living off the Irish coast, a study has found.
Ronan Hickey analysed 1,882 whistles for his masters degree in marine mammal science at University of Wales, Bangor.
Dolphins produce a variety of "vocalisations" including clicks, whistles, barks, and groans to navigate and communicate with each other.
Mr Hickey examined the sounds made by dolphins on both the Welsh and Irish sides of the coast.