Palma.—The lives and well being of 500 Common Bottle Nose Dolphins which swim in Balearic waters are at risk, a study carried out  by the University of Barcelona confirmed yesterday.
The tourism boom experienced over the past few years, fishing boats and the increase  in the number  of ferries connecting the islands with the peninsula pose a serious risk to the survival of the mammals.

Noise pollution
According to Joan Gonzalvo, who led the study,  they took into account   the dolphins’ behavioural  patterns during the  Spring and Summer, periods when the dolphins are most at risk to  the dangers of collisions with boats, for example,  while the amount of noise generated by the ferries confuses them and affects their behavior.


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