[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
more theropod hunting strategy stuff
>In this light, the cheetah is probably more of a "Grapple-and-Slash"
>predator, even though it certainly persues its prey!
Since cheetahs do not rely on slashing open their prey, they don't fit the
G&S category. Being highly specialized, it is hard to fit them into any
><< Tyrannosaurids fit well with the pursuit-and-bite catagory. Like
> canids and hyaenids, they have proportionately long legs (T. rex
> itself has legs which are more "cursorial" than the man-sized
> herbivore Dryosaurus and other accepted runners), very powerful
> jaws, and claws of the hand and feet which are not highly curved and
> rounded in cross-section. Although they may not have pursued prey
> for wolf-like distances, the body of anatomical evidence points to
> the adaptations of tyrannosaurids as being predatory, and
> specifically pursuit-and-bite predatory, features.>>
>Particularly since the other two categories seem to involve the use of
>The claws on the feet were more likely to be used for traction than for
>killing, thus their rounded nature. Allosaur toe claws, on the other hand,
>are very similar to the killer claws of dromaeosaurs (and about as large!).
> Allosaurs may not have been above taking a foot-swipe at its prey once it
>had been downed, or at least stopped.
No, the pedal claws of Allosaurus are NOT like those of dromaeosaurids at
all! They only have moderate curvature and are triangular to circular in
cross-section. Dromaeosaurid "killer claws" are highly curved and
blade-like in cross-section.
Thomas R. Holtz, Jr.
Dept. of Geology
University of Maryland
College Park, MD 20742