Figure 1From: Old divergences in a boreal bird supports long-term survival through the Ice AgesDistribution of the Arctic Warbler Phylloscopus borealis. Map based on [46], with the ranges of the subspecies according to [49] (Sakhalin population not studied by [49], but thought to belong to examinandus). The sampling sites are marked, with the sample sizes indicated by numbers. Blue circles represent clade A, yellow circles clade B, and red circles clade C.Back to article page