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Re: Long-necked stegosaur, head tail mimicry?

Quoting "Richard W. Travsky" <rtravsky@uwyo.edu>:

> On Sun, 8 Mar 2009, David Marjanovic wrote:
> > But is it even the case that holding the neck far out and moving it around
> > costs less energy than walking a step?
> There are millions of four legged animals on the planet today that graze, 
> don't have long necks, and take steps to cover ground. 

They also have the benefit of grass being plentiful. I wonder if grass has a 
better nutritional 
content to what was generally available in the Mesozoic?


Dann Pigdon
GIS / Archaeologist              http://geo_cities.com/dannsdinosaurs
Melbourne, Australia             http://heretichides.soffiles.com