Figure 8 in Eigensurface analysis, ecology, and modelling of morphological adaptation in the falconiform humerus (Falconiformes: Aves)

Figure 8. Ordination of the falconiform species for which accurate flight speed information was available (47 species) within the space of the first two canonical variates axes of 21 eigensurface shape variables. Based on this result 97.9% of the training set species were assigned to their correct flight-speed groups on the basis of proximity of their projected positions to the group means. Shape models below the ordination plot represent along-axis coordinate locations through the canonical variates space for CV-1 calculated using the method of MacLeod (2007). Major differences can be seen in the size of the deltoid crest (DC) and the bicipital crest (BC), and in species with lower scores the bicipital surface (BS) is larger and more rounded, forming a dome. Note the CV-2 axis contains no information with regard to group discrimination and should not be interpreted. Species abbreviations are listed in Appendix 1.