Birds' Methods of Steering
THE flight of birds still presents several unsolved problems. How they steer, has never been fully explained. With the naked eye or, still better, with a field glass, many of them can be seen to use their tails, lowering the left or right side according to the direction in which they wish to go. Thi...
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Veröffentlicht in: | Nature (London) 1893-07, Vol.48 (1239), p.293-294 |
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Format: | Artikel |
Sprache: | eng |
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