It may not be, but I think the effectivity
of this big bite depends on where it is placed. When the tyrannosaur only gets
hold of the end of the tail, a big bite in this place isn't good for much.
Holding it and biting again elsewhere could secure a meal...
I think this depends on the weight
estimates... with the same bones, a 4 t tyrannosaur could take much more than a
7 t tyrannosaur. Now we need to get the weight figured out...
Actually, what can the prey do if the
tyrannosaur comes from a side? Dinosaurs can't kick sideways, and at least
hadrosaurs apparently had too stiff vertebral columns to kick with their
forelegs. All it can do, if I haven't forgot something, is to run away (and if
it's a ceratopsian, to turn around then and to counterattack). Therefore all the
tyrannosaur needs to do is to prevent this. Right?
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