Re: Regarding Spinosaurus

["Fam Jansma" <fam.jansma@worldonline.nl>]

Bert wrote:

>What about the peacock? What other purposes does the bird have except
impressing potential mates? And >birds of paradise? To name just two
examples....having something like a big sail does not automaticaly >mean it
MUST have a purpose beyond sexual
>display.
>
But I don't see a peacock or the birds of paradise having a big sail on
their back. And even more, supported by bone. It is a shame there is no
mummified Spinosaur, it could help anwser a lot of questions. Like, for
instance, had it a pouch? I think it did actually, which it could have used
for display maybe, by blowing it up, or with fishing.
>

>But we can say for sure that the Anaconda is coldblooded (and the exact
size was 11.32 meters of Yellow >Anaconda if I remember correctly). So it
can go without food for months if need be. I do not recall anyone >stating
for a fact that we have >determined the  exact physiology of the
Spinosaurids. So how much food per >day, or in a given period is still quit
undetermined, I guess Interesting thread, though. >Just thinking along with
>you guys,


That's the point I was trying to make a little earlier, that perhaps
Spinosaurus was cold-blooded. It fits with the sail (making it possible to
be activated earlier than most dinosaurs), the notion that there was
probably not enough fish (when your coldblooded you lose you hunger...) and
following from this both: it had less to eat in a year, making it possible
that the fish-population had sometime to grow, before the evil-angler began
his wicked work again.
Good point about the thread, these are my fave dino's and they are so
terribly obscure...

Rutger Jansma