Transspecies beak color polymorphism in the Darwin's finch radiation
E. D. Enbody, C. G. Sprehn, A. Abzhanov, H. Bi, M. P. Dobreva, O. Osborne, C.-J. Rubin, B. R. Grant, P. R. Grant, L. Andersson
The paper investigates a beak color polymorphism in Darwin's finches, showing it originated from a regulatory mutation in BCO2 and is maintained by ecological selection and introgression.
bioRxiv · Jan 19, 2021Evolutionary Biology