Papers in the Biological Sciences
Date of this Version
Paul A. Johnsgard, North American Owls: Biology and Natural History, Smithsonian Institution Press, Washington and London, 1988.
Foreword by Robert W. Nero 9
Comparative Biology of Owls 15
Evolution and Classification of North American Owls 17
Comparative Ecology and Distribution 25
Comparative Morphology and Physiology 37
Comparative Behavior 55
Comparative Reproductive Biology 71
Owls in Myth and Legend 85
Natural Histories of North American Owls
Family Tytonidae 95
Family Strigidae 105
Great Horned Owl
Great Gray Owl
Northern Saw-whet Owl
Key to Genera and Species of North American Owls 239
Key to Structural Variations in External Ears of North American Owls 243
Advertisement and Other Typical Calls of North American Owls 245
Origins of Scientific and Vernacular Names of North American Owls 251
Includes 33 color plates.
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Copyright © 1988 by the Smithsonian Institution. Copyright © 2014 Paul Johnsgard. All rights are reserved.