[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]

Re: Primary feather stiffness in Mesozoic birds

On Mon, Jan 23, 2012 at 9:37 AM, Ben Creisler <bcreisler@gmail.com> wrote:
> A new paper not yet mentioned on the DML:
> WANG, X., NUDDS, R. L., PALMER, C. and DYKE, G. J. (2012)
> Size scaling and stiffness of avian primary feathers: implications for
> the flight of Mesozoic birds.
> Adding fossil measurement data to our DFA showed
> that Archaeopteryx and Confuciusornis do not overlap with extant
> birds. This strongly suggests that the bending stiffness of their
> primary feathers was different to extant birds and provides further
> evidence for distinctive flight styles and likely limited flight
> ability in Archaeopteryx and Confuciusornis.

So ... were their feathers bendier or stiffer than modern bird
feathers? (I don't have access to the paper.)

T. Michael Keesey