https://www.afinalwarning.com/517450.html (Natural News) A new study published in the journal
In one test, the bonnetheads were tricked into thinking that they were located south of their home. In response, the sharks positioned themselves in a northerly direction, suggesting that they used the artificial magnetic field to orient themselves homeward.
“It had been unresolved how sharks managed to successfully navigate during migration to targeted locations,” said Keller, who is a researcher at the
Florida State University Coastal and Marine Laboratory. “This research supports the theory that they use the Earth’s magnetic field to help them find their way; it’s nature’s GPS.”
Scientists: Sharks Use Earth s Magnetic Field to Travel
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Акулите използват магнитното поле на Земята за навигация
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BB lv: Навигационная система акул
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PORTLAND: Sharks use the Earth’s magnetic field as a sort of natural GPS to navigate journeys that take them great distances across the world’s oceans, scientists have found.
Researchers said their marine laboratory experiments with a small species of shark confirm long-held speculation that sharks use magnetic fields as aids to navigation behavior observed in other marine animals such as sea turtles.
Their study, published this month in the journal Current Biology, also sheds light on why sharks are able to traverse seas and find their way back to feed, breed and give birth, said marine policy specialist Bryan Keller, one of the study authors.