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> Also, while kangaroo ARE bipedal (sort of) AND have tails, I long ago
> discounted kangaroo as a viable comparison for dinosaur because of the
> wierd hip/femur structure they (kangaroo) have. I had a comparitive
> anatomy instructor in school that pointed out that kangaroo simply
> can't take alternate strides with their back legs. Their hips won't
> let them.
Partially, almost totally correct, except for tree kangaroos.
> I don't even think they
> could scratch behind the ear with one foot as most animals do. Their
> hips simply won't let them.
Again, mostly correct, except for tree kangaroos. All other roos and
wallabies use their hands to scratch behing their ear.
> I spent several weeks at the SF Zoo
> during this class, drawing and observing kangaroo and wallabies, and
> never saw one take any kind of alternate stride. Wierd, isn't it?
Not if you are a kangaroo.