According to the University of Illinois at Urbana-Champaign, over the past 50 years, scientific studies have shown that a wide variety of living organisms have the ability to perceive magnetic fields and can use information from the earth’s magnetic field in orientation behavior. Among these are salmon, sea turtles, spotted newts, lobsters, honeybees, and fruitflies.
Now, according to a report appearing in the latest issue of The Science of Nature, researchers have found dolphins to be sensitive to magnetic stimuli, evidenced by a change in their behavior when exposed to magnetized objects.
The research, led by Dorothee Kremers, and her colleagues at the Ethos unit of the Université de Rennes in France and conducted in the delphinarium of Planète Sauvage, offers experimental behavioral proof that these marine animals are magnetoreceptive. A number of observations of the migration routes of free-ranging cetaceans, such as whales, dolphins and porpoises, and their stranding sites suggested that they may also be sensitive to geomagnetic fields.
Since experimental evidence had been lacking, Kremers and her colleagues endeavored to study the behavior of six bottlenose dolphins in the delphinarium of Planète Sauvage in Port-Saint-Père, France. This outdoor facility consists of four pools, covering 2,000 square-meters of water surface.
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SOURCE: Science Recorder