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Confusion over Confuciusornis



In the June Scientific American there is a debate between Feduccia et al
versus Padian & Chiappe over Confuciusornis. The latter are quite correct that
the usual body posture was horizontal. A problem with Martin's restoration,
and P & C's revised version, is that the legs are too long. As can be seen in
the accompanying photo, the hindlegs were quite short, with the femur some 15%
shorter than the humerus. The smallness of the hindlimbs, plus the large
reversed hallux, favor the bird being arboreal rather than a ground runner. 

GSPaul