DUCKS NAVIGATE BY STARS
As long as the sun is shining or the stars are visible, ducks can find their way through unknown territory to their favourite pond. This has been proved by a zoologist at California University, who carried out experiments with young birds. To test their navigational ability, the scientist put some young chicks in a circular cage with vertical walls from which they could only see the sky. After leaving the ducklings without water for a few hours, he placed a bowl of water in one of 12 compartments around the sides of the cage. Having trained the birds to find water to the east, he found that they were able to make their way to that point each time, as long as the sky was clear and the sun visible from inside the cage. Similarly at night, when the stars were shining, the ducklings found the right direction. (UN.E8.C.0.)
Seeing and not believing is the prime virtue of a thinker; appearance is his greatest temptation.— Friedrich Nietzsche.
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Press, Volume CII, Issue 30092, 28 March 1963, Page 5
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171DUCKS NAVIGATE BY STARS Press, Volume CII, Issue 30092, 28 March 1963, Page 5
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