Cotton Patch geese, a heritage breed, are available. Unrelated pairs available to start breeding your own. Cotton Patch Geese are hardy, active strong foragers, non-aggressive, with strong parenting skills. Developed in the American South, they thrive on pasture, while staying healthy and productive. Unlike Pilgrim Geese, they’re more athletic, better suited for free-ranging, with a leaner build and strong grazing ability. Their natural sex-linked coloring makes management easier. If you seek a rare heritage breed that’s practical and easy to raise. The Cotton Patch might be for you. $70/goose. $140/pair
Here is a nice resource from Cotton Patch Farms in Virginia to help you learn more.
https://cottonpatchfarms.com/the-cotton-patch-goose-is-it-the-breed-for-you/