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Re: Arms into wings
Tom Hopp writes, in part:
<more photographic evidence regarding the extent of wing feather
brooding, to help us define it as a BASAL bird characteristic>
How can photographic evidence establish anything as a basal bird
characteristic? All living birds have a carpometacarpus, but that's not a
basal bird characteristic. _Archaeopteryx_ didn't have a carpometacarpus,
for example, but is nonetheless within Aves.