Nature Earth Navigators
Seasonal changes impel a wide variety of creatures to begin their epic migrations. Details
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Globe Trotters
For many animals, the urge to move when the days change length and temperatures vary is programmed into their genes.
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Long-Distance Migrations
Animals ranging from giant humpback whales to tiny eels make massive journeys in search of food and mates.
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A Hopping Plague
There is one animal whose migrations cause fear: the locust.
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Episode links
