Painted lady butterflies can fly across the Atlantic – from West Africa to South America.
In 2013 Gerard Talavera of Spain's CSIC research council found painted ladies on a beach in French Guiana, where the species doesn't normally occur. They also carried pollen from a plant found only in the Sahel. Trade winds carried them.
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✦ New research Nº 044 · Nature · 50 sec
Bogong moths find their way by the stars
They fly up to 1,000 kilometres to caves they have never seen. A flight simulator with an artificial night sky shows what guides them.
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