Dolphins have clocked on to a shellfish factory for a free breakfast when whelk waste is released, claim marine researchers.
Marine biology student Jodie Denton, counted how many bottlenose dolphins turned up after 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 has identified 300 individual bay dolphins.
