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Re:Blood flow in Sauropods
At 12:05 AM 9/14/95, Derek Tearne wrote:
>The reason which I have heard cited is that mammals are restricted to
>7 vertebra in the neck and no mammal has more (although I knew a
>woman once who had eight... ).
>This pretty much restricts the length and flexibility of mammalian
>Birds, reptiles and dinoraus are not restricted in this way and >can
therefore evolve much longer necks.
Ok, I saw this once in a Ripley's Believe It or Not.....a giraffe has
fewer vertebrae in it's neck than a sparrow.
Fine. Which one has a longer neck?