The Shelduck: A study in behavioural ecoloty
The Courtship Habits of the Great Crested Grebe
Pheasants, Partridges, and Grouse: A Guide to the Pheasants, Partridges, Quails, Grouse, Guineafowl,
Madge, Steve; Kirwan, Guy M.; Mcgowan, Philip J.K.
Ducks in the Wild: Conserving Waterfowl and Their Habitats
Johnsgard, Paul A.
Ducks, Geese, and Swans of the World
Waterfowl: Care, Breeding and Conservation
The Atlas of Quails
Waterfowl Decoys of Michigan and the Lake St. Clair Region
Walsh, Clune Jr.; Lowell G. Jackson [Editors]
Gunning the Chesapeake-Duck and Goose Shooting on the Eastern Shore
Walsh, Roy E.
American Waterfowl-Their Present Situation and the Outlook for their Future
Phillips, John C.; Frederick C. Lincoln
The Blue-Winged Teal: Its Ecology and Management
Bennett, Logan J.
The Trumpeter Swan in Alaska
Hansen, Henry A., Peter E.K. Shepherd, James G. King, and Willard A. Troyer