I am 16 years old. Okay, lets look at the feather. a truly marvel of desgin. with a downard thrust of its wings, a seagull launches itself skyward. Once aloft, it wheels and turns, rising effortlessly on the wind. Making only tiny adjustments to the angle of its wings and tail, the bird hangs nearly motionless in the air. what enables it to perform thoose functions with such grace and perfection? to a great extent, its feathers. birds are the only animals today that grow feathers. Most birds have diffrent kinds of feathers. the most visble are the overlapping contour feathers, which give birs their smooth, aerodynamic shape. contour feathers include the wing and tail feathers. which are vital to flight. A humming bird may have fewer than 1,000 such feathers, and a swan more than 25,000. Okay let me get to the point. the fact of the a matter is feathers are "a little to perfect" thats the problem notes yale university's manual of orinthology. feathers give no indication that they ever
2007-08-11
16:39:51
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22 answers
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asked by
ITALLIAN STALLION
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Religion & Spirituality