Humpback whales don’t get lost

An eight-year project that tracked humpback whale migrations by satellite shows the huge mammals follow uncannily straight paths for weeks at a time.

Despite surface currents, storms and other distractions, the humpbacks never deviated more than about 5 degrees from their migratory courses.

The results suggest a single migratory mechanism isn’t responsible. Instead, humpbacks may use a combination of the sun’s position, Earth’s magnetism and even star maps to guide their 16,000 kilometre (10,000-mile) journeys. Read more here.

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