Hawks, Eagles and Falcons of North America: Biology and Natural History
Johnsgard, Paul A.
North American Owls: Biology and Natural History [First Edition]
The Grouse of the World
Those of the Gray Wind: The Sandhill Cranes, New Edition
Diving Birds of North America
Birds of the Great Plains: Breeding Species and Their Distribution
Waterfowl: Their Biology and Natural History
Waterfowl of North America
Grassland Grouse and Their Conservation
The Avian Brood Parasites: Deception at the Nest
Earth, Water and Sky: A Naturalist's Stories and Sketches
JOHNSGARD, Paul A.
Prairie Birds: Fragile Splendor in the Great Plains