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. 2007 Nov 7;275(1631):157–161. doi: 10.1098/rspb.2007.1233

Figure 1.

Figure 1

Uncinate processes (arrows) of (a) a running bird, the Cassowary (Casuaris casuaris), (b) a flying bird, the Eagle Owl (Bubo bubo), (c) a diving bird, the Razorbill (Alca torda); canonical variate analyses indicates that the uncinate processes are shorter in running, long in diving and intermediate in all other birds (Tickle et al. 2007), (d) AMNH 6517, (Oviraptor philoceratops), (e) MPD 100/25 (Velociraptor mongoliensis). Anterior is to the right in all figures. Scale bars, 5 cm. Photographs taken by J.R.C.