A comparative phylogenomic analysis of birds reveals heterogeneous differentiation processes among Neotropical Savannas

Cássia Alves Lima-Rezende, Gustavo S. Cabanne, Amanda Vaz Rocha, Martin Carboni, Robert M. Zink & Renato Caparroz
The main objective of this study is to evaluate biogeographic hypotheses of diversification and connection between isolated savannas north (Amazonian savannas) and south (Cerrado core) of the Amazon River. To achieve our goal, we employed genomic markers (genotyping by sequencing) to evaluate the genetic structure, population phylogenetic relationships, and historical range shifts of four Neotropical passerines with peri-Atlantic distributions: the Narrow-billed Woodcreeper (Lepidocolaptes angustirostris), the Plain-crested Elaenia (Elaenia cristata), the Grassland Sparrow (Ammodramus humeralis), and...
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