Owls have been a source of fascination and mystery throughout human history.  This book is the most comprehensive, up-to-date guide to the 39 species of owls found in Canada, the United States, Mexico, and the islands of the Caribbean, covering their nesting and migratory ecology, systematics and taxonomy, diet, behavior, distribution, vocalizations, conservation status, and more.  From widespread, well-known species such as Great Horned and Barn Owls to poorly understood tropical species like the Crested Owl, Stygian Owl, and Bare-legged Owl, this book is the definitive reference to the enigmatic night hunters.