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Re: Thoughts about the arboreal dinosaur

Grant Harding wrote:

>Finally, being arboreal, does it (snip)<

As discussed earlier on this list, there are >no< known osteological
correlates for arborealty, so using this character to infer an arboreal
lifestyle is premature.  This elongated digit is a feeding related character
in lemurs and, as you note, a grooming related character in a couple species
of birds.  This means that, so far, extant analogs suggest that this
character is more likely related to feeding or grooming than the amount of
time the animal spent in the trees.