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RE: Yet more on dinosaur quad climbers
> But we can't be certain that halluces are inevitable can we?
Oh no; I mean adaptations to climbing or perching in general -- anything that
would stop the weka from falling off all the time.
> Halluces, in fact, may have arisen just once, in the last common ancestor of
> Confuciusornis and all crown group birds, and been inherited by
> enantiornithines as well.
Looks like it, except I don't quite remember what the feet of *Sapeornis* look
> The Kagu (Rhynochetos) [...] has large wings, and has the same mass and
> wingspan as Microraptor. It has no sternal keel.
Now this is interesting!
*Microraptor* had very narrow wings, though, didn't it? I used to think the
hindwings compensated for this, but if they stuck out caudoventrally instead of
laterally, they couldn't have.