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female Sword-billed Hummingbird, Papallacta, Ecuador


Population Differentiation
& Speciation

Speciation is perhaps the single most important process generating biodiversity, but it is difficult to study, typically occurring over tens of thousands to millions of years and involving the divergence of widely disjunct populations.  

We are interested in how populations diverge from each other and when reproductive isolation evolves among populations. Our present work centers on testing for adaptive divergence in nest morphologies (Vanya Rohwer), and collaborative work on the evolution of reproductive isolation among tropical populations (Julie Danner, Ignacio Moore, Virginia Tech).


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