(Downloading may take up to 30 seconds.
If the slide opens in your browser, select File -> Save As to save it.)
Click on image to view larger version.

Fig. 1. Representative skeletons showing the morphological differences in the rib
cage associated with different forms of locomotion in (A) a walking species,
cassowary (Casuaris casuaris); (B) a non-specialist, eagle owl
(Bubo bubo); and (C) a diving species, razorbill (Alca
torda). Uncinate processes are short in walking species, of intermediate
length in non-specialists and long in diving species. In all photographs
cranial is to the left; scale bar, 5 cm.