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Author: Lukas Jenni
Publisher: Helm
ISBN:
Category : Nature
Languages : en
Pages : 248
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Book Description
The moult strategies of birds are not only of importance in their impact on a species' ecology and energetics, but as a valuable tool for anyone studying the migration and population dynamics of bird species. A proper understanding of how feathers are replaced, and the precise differences in appearance of the various feather generations, can allow ringers, scientists and the keen birdwatcher to age first-year and adult birds and to detect the moult strategy of the bird in question. Lukas Jenni and Raffael Winkler have combined these themes and produced a book which will be valuable both to the professional ornithologist and the bird ringer. The first part gives an up to date summary of the moult strategies and moult sequences of European passerines and discusses the ecological consequences of moult. Throughout the book, the authors draw on the enormous amount of data on moult collected by them over 15 years of study which, combined with data from the literature, allow them to present a new synthesis of the subject. The second part of the book is of particular value to ringers. Following a general introduction to ageing, detailed moult profiles are given for 58 species of European passerines representing all the major moult strategies, backed up with useful summary statistics, schematic diagrams of the extent of moult and indications of the variation within each species. For the first time, the extent of partial and suspended moults is presented in detail. The crowing feature of this book is the 480 plus full colour photographs of extended wings which show the entire range of moult patterns and of plumage ageing criteria. An appendix gives supplementary information on ageing birds by the degree of pneumatization of the skull. This book is both a major reference for onithologists, zoologists, bird ringers and dedicated birdwatchers, and a work of great scholarship and beauty.
Author: Lukas Jenni
Publisher: Helm
ISBN:
Category : Nature
Languages : en
Pages : 248
Get Book Here
Book Description
The moult strategies of birds are not only of importance in their impact on a species' ecology and energetics, but as a valuable tool for anyone studying the migration and population dynamics of bird species. A proper understanding of how feathers are replaced, and the precise differences in appearance of the various feather generations, can allow ringers, scientists and the keen birdwatcher to age first-year and adult birds and to detect the moult strategy of the bird in question. Lukas Jenni and Raffael Winkler have combined these themes and produced a book which will be valuable both to the professional ornithologist and the bird ringer. The first part gives an up to date summary of the moult strategies and moult sequences of European passerines and discusses the ecological consequences of moult. Throughout the book, the authors draw on the enormous amount of data on moult collected by them over 15 years of study which, combined with data from the literature, allow them to present a new synthesis of the subject. The second part of the book is of particular value to ringers. Following a general introduction to ageing, detailed moult profiles are given for 58 species of European passerines representing all the major moult strategies, backed up with useful summary statistics, schematic diagrams of the extent of moult and indications of the variation within each species. For the first time, the extent of partial and suspended moults is presented in detail. The crowing feature of this book is the 480 plus full colour photographs of extended wings which show the entire range of moult patterns and of plumage ageing criteria. An appendix gives supplementary information on ageing birds by the degree of pneumatization of the skull. This book is both a major reference for onithologists, zoologists, bird ringers and dedicated birdwatchers, and a work of great scholarship and beauty.
Author: Lukas Jenni
Publisher: Bloomsbury Publishing
ISBN: 1472941500
Category : Nature
Languages : en
Pages : 337
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Book Description
THE BTO/BRITISH BIRDS BOOK OF THE YEAR 2020 A brand-new, completely revised second edition of Jenni and Winkler's classic guide, updated and improved for the next generation of ringers and professional ornithologists. The moult strategies of birds exert an important influence on their behaviour and energetics, and also provide the basis of valuable tools for study. A proper understanding of how feathers are replaced and the precise differences in the appearance of the various feather generations can allow ringers, scientists and keen birdwatchers to age individual birds, and to distinguish between first-year and adult birds. Understanding the moult strategy of a species also provides insights into its general and migration ecology, and allows detailed studies of many aspects of its population dynamics. Lukas Jenni and Raffael Winkler have studied moult across a wide range of bird species for decades, and in this book bring their observations together to produce a valuable reference for both professional ornithologists and bird ringers. This second edition has been completely updated and revised, with 16 new species accounts added, bringing the total covered to 74. The first part of the book provides an up-to-date summary of the moult strategies and moult sequences of European passerines, and discusses the ecological consequences of moult. Throughout the book, the authors draw on the enormous amount of data on moult that they have collected over 40 years of study and which, combined with data from the literature, allow them to present a thorough synthesis of the subject. The second part is of particular value to ringers. Following a general introduction to ageing, detailed moult profiles are given for 74 European passerine species, illustrating all of the major moult strategies and including useful summary statistics, schematic diagrams of the extent of moult and indications of the variation within each species. The main moult strategies are illustrated with schematic graphs, and the moult strategies and extent of moult of every European passerine species are summarised in tabular form. The crowning feature of this book is its collection of more than 600 full-colour photographs of extended wings, which show the entire range of moult patterns and plumage-ageing criteria. An appendix gives supplementary information on ageing birds by the degree of pneumatisation of the skull. Large in format, packed with high-quality photography and lavish in production specifications, this second edition of Moult and Ageing in European Passerines is both a major reference for ornithologists, zoologists, bird ringers and dedicated birdwatchers, and a work of great scholarship and beauty.
Author: Lukas Jenni
Publisher: Bloomsbury Publishing
ISBN: 1472977238
Category : Nature
Languages : en
Pages : 486
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Book Description
The first comprehensive review of all aspects of the biology of moult, drawing information from across the literature and in all birds, from penguins to passerines. Feathers are amazing structures unique to birds and, for a variety of reasons, they need to be renewed periodically as a whole in a process called moult. During this process, all of the functions of plumage are impaired and most aspects of a bird's life are affected. Every moult determines a bird's appearance anew, and restores plumage efficacy for flight and insulation. Moult profoundly affects physiology and the organization of the annual cycle, and it constrains reproduction and migration. Given these major impacts, which are equal to the other annual challenges of reproduction and migration, it is surprising that research on moult has largely been so neglected a subject. Lukas Jenni and Raffael Winkler have brought together the widely scattered results of studies on the processes and consequences of moult in birds. This book opens with an overview of the functions of plumage, and of feather maintenance and feather wear, and then introduces the two functions of moult: replacement of worn feathers and adjustment of plumage characteristics and appearance. The body of the book then examines feather-growth and the physiology, energetics and control of moult, and how various other physiological processes interact with moult and may compensate for its costs. Significantly, the authors explain how variations in moult and feather quality affect a bird's overall plumage quality, and they highlight the resulting consequences in terms of physical performance, appearance and signalling. Finally, there is a review of all the various solutions that birds have developed to fit moult into the annual cycle. This long-awaited book covers for the first time all aspects of the biology of moult and fills an important gap in the literature, completing our understanding of how the most important annual events in a bird's life fit together into a coherent whole. It draws on a wide range of information – from penguins to small passerines, from raptors to wildfowl – to highlight the variety of the subject and to pinpoint the many gaps in our knowledge along with avenues for fruitful further research.
Author: Kevin Baker
Publisher:
ISBN:
Category : Birds
Languages : en
Pages : 348
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Book Description
A guide that complements Lars Svensson's Identification Guide to European Passerines. It covers 119 species, with descriptions of ageing and sexing methods, moult, biometrics and racial differences. It is suitable for ringers, museum workers, and keen birders.
Author: Lars Svensson
Publisher:
ISBN: 9789172600553
Category : Birds
Languages : en
Pages : 184
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Book Description
Author: Tim Laman
Publisher: National Geographic Books
ISBN: 1426209584
Category : Birds of paradise (Birds)
Languages : en
Pages : 232
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Book Description
In this dazzling photo essay, Laman and Scholes present gorgeous full-color photographs of all 39 species of the Birds of Paradise that highlight their unique and extraordinary plumage and mating behavior.
Author: H. B. Ginn
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 128
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Book Description
Presents a summary of the plumage of birds, its structure, arrangement and functions and reviews the various types of moult patterns which are found and the ways of recording them. This title also presents species-by-species account of points including the number of flight feathers, the sequence, and season and rate of moult.
Author: Kevin Baker
Publisher: A&C Black
ISBN: 1408131706
Category : Nature
Languages : en
Pages : 402
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Book Description
Many warblers are notoriously difficult to identify in the field (and even in the hand!) and, until now, there has been no definitive guide to the species of these regions. This guide covers 145 species, covering all aspects of identification. The text includes sections on moult, voice, habitat and behaviour, distribution and measurements. All species (and many races) are illustrated within the 48 colour plates, and there is also a colour distribution map for each species, with a wealth of line drawings complementing the text. Many groups and species of warbler, such as prinias and tailorbirds, have never been described or illustrated in this detail before. Moreover, the book covers recently described series new to science and brings up to date the latest thinking on taxonomic treatment.
Author: Clive Byers
Publisher: A&C Black
ISBN: 1408189062
Category : Nature
Languages : en
Pages : 345
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Book Description
This book is the first comprehensive guide to all the Old World buntings and North American sparrows. It includes 39 plates in full colour depicting all the species and distinct races.
Author: Derek Ratcliffe
Publisher: A&C Black
ISBN: 1408128640
Category : Nature
Languages : en
Pages : 351
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Book Description
The Raven presents a summary of knowledge of its natural history, describing its distribution, feeding habits, association with other animals, and breeding. The Raven is one of the most spectacular and romantic of British birds, but relatively neglected in the modern literature of ornithology. Derek Ratcliffe here presents a thorough summary of our knowledge of its natural history, emphasizing the long association of the bird with humankind. The place of the Raven in myth, legend and history is long established, and this book describes the bird's fall from grace as a valued scavenger in medieval cities to a persecuted outcast in the modern wilds. The previous wide occurrence of Ravens is reviewed against the relationships between their present distribution, status and habitat requirements, as both a nesting and a non-breeding resident. The dependence of Ravens on carrion (especially sheep) within an omnivorous diet is the key to the species' ecology, and its social behaviour has evolved in close relation to this lifestyle. The flocking and communal roosting of non-breeders are major features of Raven behaviour, while their nesting habits emphasise the territorial nature of breeding birds and their adaptation to secure but harsh environments. Raven numbers vary in relation to their food supply, local populations adjusting accordingly, although the precise mechanism involved is still obscure. Ravens have a considerable capacity for recolonising old haunts when suitable conditions are restored, as well as exploiting new areas where the habitat becomes favourable, and there are local success stories to tell. Nationwide, however, the species' position is delicately balanced and depends on both sympathetic land management practices and improving attitudes to Ravens as friends not foe. Worldwide, Ravens are one of the most successful of all bird groups, occurring over a large part of the northern hemisphere, and replaced in some southern and tropical regions by other raven species which exploit the familiar raven niche in their own environments. The discussion of the northern hemisphere species is enlivened by reference to other species where useful. Finally, the Raven's age-old reputation for high intelligence is weighed critically against the available evidence. Today, Ravens carry a new omen in the modern world, as a barometer of goodwill to wildlife. Like those in the Tower of London, the continued existence of Ravens in our wild countryside will reveal something about both our current situation and our prospects for the future. The text is brought to life through wonderful illustrations by Chris Rose.
