Research from Shawn Billerman’s dissertation on sapsucker hybridization was recently published in Molecular Ecology. In the paper, Shawn and co-authors Carla Cicero, Rauri Bowie, and Matt Carling show how the Red-naped x Red-breasted sapsucker hybrid zone has shifted over time using specimens collected over a 40-year period, with high levels … Continue reading Shawn on hybridization in sapsuckers

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