Exploring the number of species in the Aves cluster. The number of species grouped into the Aves cluster as a function of rank value and number of clusters. Ordinates are multiplied by the respective maximum Linnaean taxonomy levels shared by species in Figure 5.
Santos et al. BMC Genomics 2011 12(Suppl 4):S11 doi:10.1186/1471-2164-12-S4-S11