Re: Ungulate-Type Nuchal Ligaments in Hadrosaurs?

[Betty Cunningham <bettyc@flyinggoat.com>]

I can picture a herd of hadrosaurids popping up and down like prarie
dogs 

-Betty

TomHopp@aol.com wrote:
> Good non-assumption. Without any data to back it up, it seems to me that
> ungulates and hadrosaurs differ most critically in posture. Lacking the
> hadrosaur's ability to stand on two legs, ungulates have more need to hold
> their heads as high as possible when looking for predators. Hence a need for
> the ligaments in ungulates, but not in hadrosaurs which could get their heads
> way up without craning their necks at all, by going bipedal.
>     Maybe you should consider the neck of the kangaroo, which has a similar
> grazing/rearing postural situation.

-- 
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