Phylogeography of the Red‐Headed Manakin Supports the River‐Refuge Hypothesis
Else Mikkelsen,
Diogo Lavareda,
Marcelo Vallinoto
et al.
Abstract:AimThe Amazon rainforest is one of the most biodiverse regions on earth, but our understanding of the processes that have shaped its patterns of diversity remains incomplete. One hypothesis for Amazonian speciation is the river‐refuge hypothesis, which suggests that retraction of forests away from the periphery of Amazonia, where rivers are narrow, facilitated divergence of populations separated by wide rivers. Later re‐expansion of forests would have allowed secondary contact between these populations, and co… Show more
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