owls of the world helm identification guides

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Owls Of The World

Author : Claus König
ISBN : 9781408108840
Genre : Nature
File Size : 28. 96 MB
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Owls are enduringly popular birds, but due to their nocturnal habits most species are difficult to see well. The plumages of many species are cryptic and difficult to separate by plumage alone. This problem is compounded by the different morphs that many adopt. This book fully describes every known species and subspecies of owl, as well as presenting the latest evidence on owl taxonomy, based on DNA work and vocalisations. Because voice is vital in owl identification, much emphasis is placed on it in the book and sonograms are provided for many species. A CD of owl vocalisations will accompany the book.

Rspb Spotlight Owls

Author : Marianne Taylor
ISBN : 9781472933706
Genre : Nature
File Size : 60. 47 MB
Format : PDF
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Owls are charismatic and exceptionally well-loved characters in British wildlife, and have always held a special place in our folklore and legends. Their nocturnal habits mean few of us have been lucky enough to see them up close. In RSPB Spotlight: Owls Marianne Taylor introduces readers to every aspect of their lives including their physiology, biology and behaviour, as well as their history, and future in conservation in Britain and abroad. Five species of owl currently live in Britain - the Tawny, Barn, Little, Long-eared and Short-eared Owls - and each of them, as well as their relatives abroad, are introduced here in detail alongside top quality colour photographs and fascinating behavioural images, which will delight and inform the whole family. The book begins with a look at owls in general then examines the five British species in more detail. It discusses their evolutionary history and distribution around the world. Their anatomy and adaptations are examined, as well as their natural behaviours including hunting, nesting and mating practices. Next, we are introduced to their life cycles, beginning as eggs, moving onto fledging and independence, migration, and finally death. Marianne also includes a discussion of conservation as it affects owls, and owls' unique relationships with humans and our culture.

Owls Of The World

Author : Heimo Mikkola
ISBN : 1408130289
Genre : Owls
File Size : 48. 76 MB
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Having trouble separating your scops from your screech owls, Tengmalm's from Tawny Owl or Collared and Spotted Owlets? Then this is the book for you. Owls of the World is the ultimate photographic resource dedicated to the identification of these charismatic, largely nocturnal birds of prey. This book contains lavish and spectacular photography from dozens of the world's finest natural history photographers, covering all of the world's 250 species of owls; particular attention is given to subspecific differences, sexing and ageing. The photos are accompanied by concise text on the identification, habitat, food, distribution and voice of these birds, along with accurate range maps. The definitive work on owl identification, no birder's bookshelf should be without it!

Woodpeckers Of The World

Author : Gerard Gorman
ISBN : 9781408147160
Genre : Science
File Size : 89. 20 MB
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Woodpeckers remain one of the most popular families of birds, and they are certainly one of the more unusual. Their legendary ability to excavate holes in wood is well known, and they are uniquely adapted for living in trees - though a few species have become more adapted to ground-dwelling. The family ranges from the tiny piculets of tropical forests to the mighty Imperial Woodpecker of Mexico, sadly now extinct. In between there is a considerable variety of species, all of a roughly similar shape and design, inhabiting forests and woodlands through the world except Australasia and Antarctica. Covering 239 species, this book is the first definitive photographic guide to woodpeckers. Detailed text looks in detail at the biology of the birds, with particular emphasis on field identification, along with voice, habitat, status, racial variation and distribution. The text is accompanied by a series of high-quality photographs ? more than 750 images, carefully selected to highlight identification criteria. Each species entry is completed by an accurate colour range map. A sister to Owls of the World in the Helm Photographic Guides series, Woodpeckers of the World is an informative, fact-filled and beautifully illustrated guide to a group beloved by all birders.

The Helm Guide To Bird Identification

Author : Keith Vinicombe
ISBN : 9781472905536
Genre : Nature
File Size : 80. 83 MB
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This ebook covers difficult identification issues by looking at tricky species pairs or groups of birds, and comparing and contrasting their respective features. Designed as a field companion, it supplements the standard field guides and provides much additional information. As well as detailed texts, the books include extensive illustrations of all relevant ages and plumages of the species concerned.

A Field Guide To The Birds Of India Sri Lanka Pakistan Nepal Bhutan Bangladesh And The Maldives

Author : Krys Kazmierczak
ISBN : 8187107049
Genre : Nature
File Size : 74. 51 MB
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Birding World

Author :
ISBN : CORNELL:31924090191176
Genre : Birds
File Size : 84. 13 MB
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Western Tanager

Author :
ISBN : UCLA:L0075030262
Genre : Ornithology
File Size : 82. 81 MB
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The Bird Guide Of Southern Africa

Author : Ulrich Oberprieler
ISBN : STANFORD:36105132807657
Genre : Nature
File Size : 36. 14 MB
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Birds Of Australia

Author : Ken Simpson
ISBN : STANFORD:36105215363305
Genre : Nature
File Size : 82. 14 MB
Format : PDF
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Rev. ed. of: Field guide to the birds of Australia. 5th ed. Ringwood, Victoria, Australia: Penguin Books Australia, 1996.

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