Rapid divergence and gene flow at high latitudes shape the history of Holarctic ground squirrels (Urocitellus).

Abstract excerpt

Across the animal tree of life, the prevalence and evolutionary role(s) of hybridization remain incompletely understood. Rapidly radiating clades can serve as important systems for investigating these issues; however, such groups are often characterized by additional, widespread sources of gene tree discordance (e.g., incomplete lineage sorting). In this paper, we employed a multilocus dataset, Bayesian gene tree...

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