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Re: [dinosaur] Archaeopteryx had active flapping flight ability based on wing bone geometry (free pdf)
> And yet there Archaeopteryx is, a bird which obviously will need to run
> to get enough lift to fly. It can't really be denied. If Swans need a
> running start, Archaeopteryx, which is better designed for running, and
> less designed for a leap and winged launch, would need it even more so.
> The time line is being fudged here. Just because Swans today are part
> of a select group of birds that do a running takeoff doesn't mean the
> trait is not ancestral to transitional forms within coelurosaurs.
A swan probably weighs more than an archaeopteryx. A roadrunner
probably runs faster than both.
https://urldefense.proofpoint.com/v2/url?u=https-3A__youtu.be_JftKl8qITnA&d=DwIBaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=JMxjjbIZXCWilersPs1bzRx-3mUwTiQUzlyzWk7v7k4&m=MyClWCbOREkPFQYiEWCYHQ4ps5G6ZHjwvSACRZEmPFM&s=C554t5levEKXNk33os5nD6kRR9eOut2u_dujaic_wl4&e=