Add to ORKGApproximately 500 citations. See also the updated bibliography in the 2010 supplement: North America’s Ducks, Geese and Swans in the 21st Centur
This volume, the fourth in a series of books that collectively update and expand P. A. Johnsgard’s 1...
Ducks, geese and swans (Family Anatidae) are the most popular and best studied group of birds in the...
Since the 1978 publication of my Ducks, Geese and Swans of the World hundreds if not thousands of pu...
Approximately 500 citations. See also the updated bibliography in the 2010 supplement: North Ameri...
“We cannot expect to learn from or communicate directly with waterfowl; they speak separate language...
Since the 1975 publication of Waterfowl of North America, a great deal of ornithological literature ...
Contents Lists of tables and maps List of plates Preface It was with a considerable degree of hesita...
The species of waterfowl breeding in North America have distribution patterns that collectively refl...
The only one-volume comprehensive survey of the family Anatidae available in English, this book comb...
North Dakota is a great waterfowl state. Within its borders more ducks nest every summer than in any...
Waterfowl are among the most studied groups of birds, in part because many species are widely hunted...
This volume, the fourth in a series of books that collectively update and expand P. A. Johnsgard’s 1...
Ducks, geese and swans (Family Anatidae) are the most popular and best studied group of birds in the...
Since the 1978 publication of my Ducks, Geese and Swans of the World hundreds if not thousands of pu...
Approximately 500 citations. See also the updated bibliography in the 2010 supplement: North Ameri...
“We cannot expect to learn from or communicate directly with waterfowl; they speak separate language...
Since the 1975 publication of Waterfowl of North America, a great deal of ornithological literature ...
Contents Lists of tables and maps List of plates Preface It was with a considerable degree of hesita...
The species of waterfowl breeding in North America have distribution patterns that collectively refl...
The only one-volume comprehensive survey of the family Anatidae available in English, this book comb...
North Dakota is a great waterfowl state. Within its borders more ducks nest every summer than in any...
Waterfowl are among the most studied groups of birds, in part because many species are widely hunted...
This volume, the fourth in a series of books that collectively update and expand P. A. Johnsgard’s 1...
Ducks, geese and swans (Family Anatidae) are the most popular and best studied group of birds in the...
Since the 1978 publication of my Ducks, Geese and Swans of the World hundreds if not thousands of pu...