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Mandarin ducks build their nests in a hole in a tree up to 30 feet from the ground. When the eggs hatch, the mother calls the chicks from the ground. Each chick crawls out of the hole and launches itself into a free fall. Astonishingly all the chicks land – and sometimes bounce – unhurt and head for the nearest feeding ground.



Barbara Kessler
Andrew Winston
Danielle Nierenberg
Anthony Swift