Asymmetric gene flow across a desert contact zone in a riparian songbird
Ethan F. Gyllenhaal, Andrew B. Johnson, Lukas B. Klicka, Selina M. Bauernfeind, Matthew J. Baumann, Matthew L. Brady, Kevin J. Burns, Christopher C. Witt, Michael J. Andersen
The paper examines gene flow patterns in Bells Vireo across a desert contact zone, finding neutral admixture driven by dispersal corridors rather than local adaptation.
bioRxiv · Feb 6, 2026 · PreprintEvolutionary Biology