Supplementary methods, including the characteristics of all capture sites (Table S1)ďťż, the list of samples successfully amplified for the MHC class II DRB loci (Table S2), the distribution of DRB alleles per species (Table S3-5), the pairwise differentiation computations per species (Table S6-8), as well as the correlations of genetics and geographic distance (Table S9). (XLS 179 kb