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Re: Bloody feathers & flicky tails (was: Feathers as fossilizedbehaviour)

Betty wrote:

<when I roll on the ground my vertebrae do not break. Horses out-weigh
me by as much as 10 times and they don't break vertebrae when they
roll either (they scratch this way).>

  In both humans and horses the neural spines are buried medially
between the rib heads, and for the most part are not exposed laterally
in horses except towards the flanks and withers, and this was covered
in huge masses of muscle, and in humans they are not exposed at all
except in the anteriormost dorsals (thoracic) and cervicals, so the
risk is negligible.

- Often, it is the man who is brought
  down the path to the end who does
  not see his own steps. -

Jaime A. Headden

Qilong, the website, at:
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