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Special Retinal Proteins May Be The Reason Birds Never Lose Their Way

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Godwits in flight (Photo Credit: teara.govt.nz)

While birds may appear to flutter about in the world, magically finding their way to food and other members of the flock, the reality is, many species migrate to the same destination, time and again. Over the years, researchers have established that the animals use Earth’s magnetic fields as guides. However, how they sense these fields has been a mystery.