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Stonechats
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Author : Ewan Urquhart
language : en
Publisher: A&C Black
Release Date : 2010-06-30
Stonechats written by Ewan Urquhart and has been published by A&C Black this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-06-30 with Nature categories.
A comprehensive treatment of the birds of the genus Saxicola. The genus Saxicola contains about 13 species, depending on taxonomy. They are a distinctive and popular group of birds, and include two very familiar and attractive British species - the Stonechat and Whinchat. This volume is primarily an identification guide, using colour plates and photographs to illustrate the various races and plumages, but the text also covers the biology, habitat and range of each species. DNA data is presented, and there are distribution maps for each species.
Stonechats
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Author : Ewan Urquhart
language : en
Publisher:
Release Date : 2002
Stonechats written by Ewan Urquhart and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Biography & Autobiography categories.
This book is the first to provide a comprehensive treatment of the fourteen members of the genus Saxicola--the stonechats and bushchats. The group is distributed throughout the Old World and includes some familiar and widespread species as well as island endemics and extreme rarities. These charismatic birds are eye-catching in both appearance and behavior but are often hard to identify. The text details all aspects of identification, including plumages, voice, behavior, seasonal movements, and distribution. There are also discussions about issues of speciation and racial variation within the genus, based on new DNA research to assess taxonomic relationships within the group, as well as explanations of conservation issues affecting the group. The book presents an impressive collection of photographs and line drawings, accompanied by an exceptionally beautiful set of thirteen color plates that show each species in a variety of plumages.
Stonechats
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Author : Ewan Urquhart
language : en
Publisher: Bloomsbury Publishing
Release Date : 2010-07-30
Stonechats written by Ewan Urquhart and has been published by Bloomsbury Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-07-30 with Nature categories.
A comprehensive treatment of the birds of the genus Saxicola. The genus Saxicola contains about 13 species, depending on taxonomy. They are a distinctive and popular group of birds, and include two very familiar and attractive British species - the Stonechat and Whinchat. This volume is primarily an identification guide, using colour plates and photographs to illustrate the various races and plumages, but the text also covers the biology, habitat and range of each species. DNA data is presented, and there are distribution maps for each species.
The Biology Of Moult In Birds
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Author : Lukas Jenni
language : en
Publisher: Bloomsbury Publishing
Release Date : 2020-09-17
The Biology Of Moult In Birds written by Lukas Jenni and has been published by Bloomsbury Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-09-17 with Nature categories.
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.
Control Of Reproduction In A Tropical Bird The Stonechat Saxicola Torquata Axillaris
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Author : Alexander Scheuerlein
language : en
Publisher:
Release Date : 2000
Control Of Reproduction In A Tropical Bird The Stonechat Saxicola Torquata Axillaris written by Alexander Scheuerlein and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with categories.
The Atlas Of Wintering Birds In Britain And Ireland
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Author : Peter Lack
language : en
Publisher: A&C Black
Release Date : 2010-11-30
The Atlas Of Wintering Birds In Britain And Ireland written by Peter Lack and has been published by A&C Black this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-11-30 with Nature categories.
This companion volume to The Atlas of Breeding Birds of Britain and Ireland is derived from surveys of birds present in Britain and Ireland during the three winters, 1981/82, 1982/83 and 1983/84. The surveys were organised by the British Trust for Ornithology and the Irish Wildbird Conservancy, as were the earlier breeding birds surveys. The Winter Atlas maps 200 species, 192 of which have full-page two-colour maps faced by a page of text. The texts (written by over 100 specialists) comment on the survey results, the species generally and the distribution and abundance as mapped. In addition there are introductory chapters on the maps, the weather in the three winters, bird patterns and movements; and appendices describing the planning, organisation, field methods, and processing of the survey data from record cards to computer output and maps. A team of 23 artists, led by Robert Gillmor, has provided the line drawings which head the species accounts.
The Helm Guide To Bird Identification
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Author : Keith Vinicombe
language : en
Publisher: A&C Black
Release Date : 2014-05-22
The Helm Guide To Bird Identification written by Keith Vinicombe and has been published by A&C Black this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-05-22 with Nature categories.
An essential field guide companion covering species pairs or groups that are difficult to identify.
Bird Hormones And Bird Migrations
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Author : Ulf Bauchinger
language : en
Publisher:
Release Date : 2005
Bird Hormones And Bird Migrations written by Ulf Bauchinger and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Science categories.
Zoologist
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Author :
language : en
Publisher:
Release Date : 1915
Zoologist written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1915 with English periodicals categories.
Report On The Migration Of Birds
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Author : British Association for the Advancement of Science. Committee on the Migration of Birds
language : en
Publisher:
Release Date : 1886
Report On The Migration Of Birds written by British Association for the Advancement of Science. Committee on the Migration of Birds and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1886 with Birds categories.