A school of bottlenose dolphins have figured out how to enjoy a free meal with the whelk waste from a seafood factory, marine researchers believe.
And like any school, there are also lessons for youngsters on how to do things properly.
Third year Swansea University marine biology student Jodie Denton counted how many bottlenose dolphins turned up after the licensed discharges by the plant at New Quay, Ceredigion.
She said: "There does seem to be a correlation between dolphin numbers and when the factory is open."
Cardigan Bay Marine Wildlife Centre (CBMWC) has identified 300 individual dolphins which use the bay, one of the largest in Europe and a location for sighting wildlife including seal, basking shark, minke whale and even Orca.
But it seems only the dolphins have cottoned on to the pickings to be had when Quay Fresh and Frozen Foods Ltd makes one of its discharges.
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http://www.bbc.co.uk...s-mid-wales-18020502 
