Hunters throughout the uplands walk many miles each season in pursuit of various quail species.  From the bobwhites in the Southeast, Gambel’s and scaled quail in the desert Southwest, Mearns and mountain quail in the hills, and California quail throughout the west, several million birds are shot on the wing, loaded in game bags, and eventually cleaned and consumed. Sure, most hunters will note the sex of each bird harvested, but there is one more piece of data that is often skipped by most hunters: aging their birds. For many game birds, distinguishing between juvenile and adult is fairly easy, and quail are no exception. In fact, quail lend themselves to determining the actual hatch date of a juvenile to within just a few days of when the bird pipped its way out of a quarter-sized egg. This information can add a bit of scientific fun for an upland junkie, but can also be useful information to help explain previous reproductive output and possibly even help guide future habitat management.