How do pigeons navigate over several hundred miles journey ?
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Scientists have discovered the secret of pigeons' remarkable ability to navigate perfectly over journeys of several hundred miles. They do it by smell. This replaces the idea that they exploited subtle variations in the Earth's magnetic field to navigate.Researchers have also found some specialized cells in birds' eyes that may help them see magnetic fields. It is thought that birds can use both the beak magnetite and the eye sensors to travel long distances over areas that do not have many landmarks, such as the ocean.
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