Grouse of the World

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This book explores grouse evolution and then look at each of the 19 species, detailing distribution, habitat, plumage, subspecies, breeding, diet and conservation.... Mehr anzeigen

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Produktbeschreibung

Autoren	Roald Potapov & Richard Sale
Sprache	Englisch
ISBN	9781780092508
Verlag	Bloomsbury
Seiten	408
Format	Gebunden
Bilder	Farbfotos, Illustrationen und Verbreitungskarten
Erscheinungsjahr	2013

Grouse are a source of fascination for people, not least for their spectacular displays and ability to survive the Arctic winter. To survive the extreme cold the birds have evolved pectinations – or shovels – on their toes to excavate burrows in the snow in which they spend up to 22 hours or more daily. To reduce heat loss they have feathered toes, and they also have feathered nostrils, the feathers preventing the nostrils filling with snow and also trapping moisture when the bird is in its burrow: without this excellent moisture trap the walls of the burrow would become iced, preventing air from seeping in and the bird from escaping, sealing it in an icy, air-starved tomb. The digestive system of grouse has also evolved to compensate for winter's rigours. Perhaps most remarkable of all, these specific features are shared by all members of the grouse family – even those that inhabit the balmy shores of the Gulf of Mexico.

The book will explore grouse evolution and then look at each of the 19 species, detailing distribution, habitat, plumage, subspecies, breeding, diet and conservation. This is the first comprehensive guide to the grouse family, and it will include many drawings, photographs and maps.

Schlagworte:Birds (807)grouse (2)Vögel (611)Vogels (860)