Map of southern Tanzania with yellow baboon (yellow circle) and kipunji (blue circle) sampling locations and geographical occurrence of mtDNA haplotypes of northern (small yellow circles) and southern (small red circles) yellow baboons and kipunjis (small blue circles). Protected areas: GR, game reserve; NP, national park, Pc, Papio cynocephalus; Rk, Rungwecebus kipunji. Details on samples can be found in the electronic supplementary material, table S1.