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Thrill-seeking holidaymakers are putting dolphins at risk
Date:3/16/2010

ose dolphins.

"Abolishing the hunts was a major breakthrough and dolphin watching offered a humane, sustainable alternative," says Dr Berggren.

"Unfortunately, without regulation, dolphin tourism brings with it its own challenges."

Watching the dolphins over a period of 40 days, the research team found that in the presence of the tourist boats, the time the dolphins spent resting dropped from 38 per cent of the time to 10 per cent while the time they spent foraging and socialising dropped from 19 and 10 per cent to just 10 and 4 per cent, respectively.

Meanwhile, travelling behaviour more than doubled in proportion, from 33 to 77 per cent, becoming by far the most dominant activity state during interactions with tourist boats.

"Overall, the dolphins are using more energy than they are taking in because they aren't resting or feeding as much but are swimming more as they try to avoid the tourist boats," explains Dr Berggren, based in the School of Marine Science and Technology at Newcastle University.

"Zanzibar is a wonderful place, the dolphins are incredibly interesting and between July and October there are also breeding humpbacks in the area. I would recommend that anyone go there for a holiday and support the local community but act responsibly and ask operators to follow existing guidelines."


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Contact: Dr. Per Berggren
per.berggren@ncl.ac.uk
44-191-222-5676
Newcastle University
Source:Eurekalert

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