Use data from wing feather observations to determine the age of your hunted quail and learn more about population patterns.
Hank Shaw's Guide to Hanging Pheasants and Game Birds
Plumages, Molts, and Structure - Scaled Quail - Callipepla squamata - Birds of the World
Ageing and sexing game birds using feathers
The science behind upland bird wing surveys, and why they're needed.
NEW TOPIC: FOR THE BIRDS! - Page 3 - AARP Online Community
Feathers: More than Just Flight
Age Your Game Bird
Determining the Age of a Quail from Wing Feathers - Project Upland
Cooper's hawk - Wikipedia
Determination of Sex and Age in Bobwhite Quail (Colinus virginianus) - ppt download
Outdoor notes: Winter storms likely will hurt pheasant and quail hunting seasons
Time may be running out for company trying to raise sage grouse
How to Identify The Age of Quail
How to hunt upland game birds Oregon Department of Fish & Wildlife
Quail - Fish & Game