owls of the world helm identification guides

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Owls Of The World

Author : Claus König
ISBN : 9781408108840
Genre : Nature
File Size : 46. 4 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.

Owls Of The World A Photographic Guide

Author : Heimo Mikkola
ISBN : 9781472945617
Genre : Science
File Size : 78. 50 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 268 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. In this second edition, recent changes to owl taxonomy are incorporated with full descriptions (and images) of a number of new species, plus a several new photographs to improve this book's amazing photographic coverage still further. This is the definitive work on owl identification – no birder's bookshelf should be without it!

Owls

Author : Claus König
ISBN : CORNELL:31924086602673
Genre : Nature
File Size : 45. 95 MB
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"Many species of owls are difficult to separate by plumage alone; this problem is compunded by the different morphs they adopt. This book fully describes every known species of owl, as well as presenting the latest evidence on owl taxonomy based on DNA evidence and vocalizations. Because voice is vital in owl identification a great deal of emphasis is placed on it."

Woodpeckers Of The World

Author : Gerard Gorman
ISBN : 9781408147177
Genre : Science
File Size : 38. 55 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.

African Raptors

Author : Bill Clark
ISBN : 9781472925701
Genre : Travel
File Size : 36. 23 MB
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The most comprehensive guide to African raptors ever published. Africa has the most diverse range of raptors of any continent, with almost a third of the world's species occurring in the region. This comprehensive new book treats all of these species in impressive detail, with emphasis on their field identification. A full range of plumages is illustrated for each species, with artwork by raptor specialist Rob Davies. The authoritative text treats the identification of both perched and in-flight birds, and covers all major races, ages, plumages and morphs. These texts are accompanied by up-to-date distribution maps and a range of fabulous colour photographs from some of the world's leading bird photographers, again covering as broad a range of ages and subspecies as possible. This new Helm Identification Guide will be an essential reference for all birders and ornithologists with an interest in raptors.

Parrots

Author : Mike Parr
ISBN : 9781408135754
Genre : Science
File Size : 74. 69 MB
Format : PDF, Mobi
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This is the first book created primarily for the field identification of parrots, one of the most familiar and colorful groups of birds. From the mighty. macaws to the diminutive pygmy parrots, the 350 species of parrots include cockatoos, parakeets, lovebirds, and Budgerigar. Most are brightly colored or even gaudy, but a few are drab, and some are nocturnal and flightess. Parrots, found throughout most of the warmer regions of the world, occur in greatest numbers in Australasian and South America. This book includes 88 superb color illustrations of every species and most identifiable subspecies of parrot, as well as range maps of their locations. It offers many firsthand insights into the ecology of each species, vocalizations, life cycle characteristics, and geographical variation. It also provides up-to-date information on the conservation status of those species of parrots that are threatened or endangered.

The Helm Guide To Bird Identification

Author : Keith Vinicombe
ISBN : 9781472905536
Genre : Nature
File Size : 51. 32 MB
Format : PDF, Kindle
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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.

Woodpeckers Of The World

Author : Gerard Gorman
ISBN : 177085309X
Genre : Nature
File Size : 28. 75 MB
Format : PDF
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"Covers all 239 species of woodpeckers. Concise text looks at identification, vocalizations, drumming, habitat, range, food and feeding, taxonomy and confusion species. It is complemented by up-to-date range maps and more than 750 color photographs. The photographic coverage includes most plumages and considerable subspecific variation, making this the definitive work on woodpecker identification."--Back cover.

Raptors Of The World

Author : James Ferguson-Lees
ISBN : 0713669578
Genre : Birds of prey
File Size : 31. 27 MB
Format : PDF, ePub
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Raptors of the World (Helm, 2001) is the definitive handbookto this most popular group of birds. This new field guide uses all ofthe plates from Raptors of the World, with a concise, revised text onfacing pages, to create a conveniently-sized, lightweight fieldreference covering all 340 raptor species. Several of the plates havebeen reworked and repainted for this guide. The book also has anupdated colour distribution map for each species. Much of the extensive introductory material has been retained inthis guide, with the addition of a complete species list containing allsubspecies and brief details of their ranges. Armed with this guide,birders will be able to identify with confidence any raptor encounteredanywhere in the world.

Robins And Chats

Author : Peter Clement
ISBN : 9781408155967
Genre : Nature
File Size : 71. 38 MB
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This authoritative handbook, part of the Helm Identification Guides series, looks in detail at the world's 170 species of robins and chats. This large family of small passerines was formerly considered to be part of the thrush family (Turdidae), but is now usually treated as a separate family, Muscicapidae, together with the Old World flycatchers. The vast majority of species are Eurasian or African, with only a handful of species straying into the New World or Australasia. The Australian Robins, although superficially similar, have long been regarded as a separate family. Robins and chats are a diverse family comprising both highly colourful and visible species, such as the robin-chats of Africa, as well as some of the most skulking and elusive birds, such as the shortwings of Asia. Many chats, such as the well-known Nightingale, are renowned songsters, and a good number are highly sought-after by world listers for their extreme rarity or simply because they are hard to see. This book discusses the identification and habits of these birds on a species-by-species basis, bringing together the very latest research with accurate range maps, more than 600 stunning colour photographs that illustrate age and racial plumage differences, and 64 superb colour plates by the internationally renowned artist, Chris Rose. This authoritative and sumptuous book will be an essential purchase for all chat enthusiasts, and will become the standard reference on the subject for many years to come.

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