Awhile back SC Wildlife Outdoors magazine reported research by SCDNR and Clemson that in some areas of SC, quail changed habitat preferences and were found in bottomland regions and swamps more so than on the hill where traditionally they were found. Food sources included acorn particles resulting from deer and squirrel activity.
Stan, this happened not to far from here:
https://www.justice.gov/usao-sc/pr/major-federal-wildlife-prosecution-south-carolina-plantation