Re: [dinosaur] Archaeopteryx had active flapping flight ability based on wing bone geometry (free pdf)

[Tim Williams <tijawi@gmail.com>]

Ruben Safir <ruben@mrbrklyn.com> wrote:

>  If there was any
> relationship between the two at all, it has to be the reverse, that
> modern birds are based on Archaeopteryx' adaptation, unless you are turn
> time backwards.


Umm... yes.  Exactly.  Hindlimb-driven launches are primitive for
birds.  It's as true for _Archaeopteryx_ and _Microraptor_ as it is
for quails and starlings.  I don't see the contention here.