Owls of the World

ISBN: 9780713665482 出版年：2010 页码：529 Claus Konig Bloomsbury Publishing

Owls are enduringly popular birds, but due to their nocturnal habitsmost species are difficult to see well. The plumages of many speciesare cryptic and difficult to separate by plumage alone. This problem iscompounded by the different morphs thThis book fullydescribes every known species and subspecies of owl, as well aspresenting the latest evidence on owl taxonomy, based on DNA work andvocalisations. Because voice is vital in owl identification, muchemphasis is placed on it in the book and sonograms are provided formany specievocalisations will accompany the book.