Rural selection drives the evolution of an urban-rural cline in coat color in gray squirrels
B. J. Cosentino, J. P. Vanek, J. P. Gibbs
The paper examines coat color variation in gray squirrels along an urbanization gradient, finding natural selection favors gray morphs in rural areas while selection is relaxed in urban environments.
bioRxiv · Feb 2, 2023Evolutionary Biology