Waterfowl of North America

Zimmerman, William

The Waterfowl of North America: The Complete Ducks, Geese and Swans

Hill, Robin; Johnsgard, Paul A.

Wild Chorus

Scott, Peter

Morning Flight

Scott, Peter

The Canvasback on a Prairie Marsh

HOCHBAUM, H. Albert.

North American Ducks, Geese & Swans: An Identification Guide

Todd, Frank S.

Handbook of Waterfowl Behavior

Johnsgard, Paul A.

Observations of Wildlife

Scott, Peter

A Natural History of the Ducks: Four Volumes in Two

Phillips, John Charles

A Natural History of the Ducks

Phillips, John C.

The Ducks, Geese and Swans of North America: a Vade Mecum for the Naturalist and the Sportsman

Kortright, Francis H.

Illustrations by T.M. Shortt

The Shelduck: A study in behavioural ecoloty

Patterson, I.J.