Study reveals loggerhead sea turtles memorize magnetic fields to navigate back to feeding sites.

A new study in Nature shows loggerhead sea turtles can memorize specific magnetic fields linked to food sources, enabling them to return to those sites after migration. Captive turtles "dance" when exposed to magnetic fields previously associated with feeding. The study found turtles use two magnetic systems—one for tracking locations and another for orienting direction. It also raises concerns about radio frequency waves disrupting their navigation, suggesting reduced electronic interference near nesting areas to protect turtle migration.

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