The Sulidae PDF Download

Author: Bryan Nelson
Publisher: Oxford University Press, USA
ISBN:
Category : Nature
Languages : en
Pages : 1056

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Author: Kenneth Ira Warheit
Publisher:
ISBN:
Category :
Languages : en
Pages : 688

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Author: Bryan Nelson
Publisher: A&C Black
ISBN: 1408138573
Category : Nature
Languages : en
Pages : 369

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Book Description
This work is a distillation of the studies and researches on Sula bassana in Europe and North America, with frequent reference to the African and Australasian gannets. The author is internationally known for his work on the North Atlantic gannet and the boobies. His studies of the gannetry on the Bass Rock over many years have formed the basis for most of our knowledge of the gannet's ecology, its breeding cycle and behaviour. There is also a chapter on the boobies, all of which have been studied at first hand by the author. Chapter topics are plumage, shape, structure and voice; numbers and distribution; behaviour; ecology; the bird at sea; the gannet family and the order; the gannet and man. There are many tables, maps and a full bibliography. The authoritative text is complemented by John Busby's brilliant and evocative drawings, plus 32 pages of photographs, many unpublished hitherto.

Author: National Museum of Canada
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 376

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Author: National Museum of Canada
Publisher:
ISBN:
Category :
Languages : en
Pages : 190

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Author:
Publisher:
ISBN:
Category : Biology
Languages : en
Pages : 642

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Author: Thomas Chrowder Chamberlin
Publisher:
ISBN:
Category : Electronic journals
Languages : en
Pages : 854

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Vols. for 1893-1923 includes section: "Reviews."

Author: Gerald Mayr
Publisher: Springer Nature
ISBN: 3030876454
Category : Science
Languages : en
Pages : 247

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Book Description
This second, completely revised edition of “Paleogene fossil birds” gives a comprehensive, updated overview of the avian fossil record from a geological period that lasted from the end-Cretaceous mass extinction event (66 million years ago) to the end of the Oligocene epoch (23 mya). Paleogene avifaunas are highly diversified and not only feature unusual archaic groups without close living relatives but also offer unique insights into the evolution and biogeographic history of extant birds. The main body of the book constitutes an in-depth survey of the known diversity of Paleogene avifaunas. The reader is introduced into basic skeletal features of extinct avian taxa, with these fossil forms being placed into a phylogenetic context in the light of current hypotheses on the interrelationships of extant birds. The geographical and temporal occurrences of the various fossil groups are outlined and their evolutionary significance is discussed. Concluding sections inform more general aspects of Paleogene avifaunas, such as possible causes of major faunal changes. In addition to being a reference work for the early evolution of modern birds from a paleornithological perspective, the present work also enables researchers in other fields of vertebrate paleontology to gain an improved understanding of Paleogene ecosystems. Numerous color photos of representative specimens furthermore make the new edition attractive to a wider audience interested in the avian fossil record.

Author: Donald Farner
Publisher: Elsevier
ISBN: 0323157998
Category : Nature
Languages : en
Pages : 281

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Book Description
Avian Biology,Volume VIII assesses selected aspects of avian biology. It is generally the conceptual descendant of Marshall's earlier treatise,"Biology and Comparative Physiology of Birds, but is more than simply a revision of it. This volume consists of two relatively lengthy, diverse chapters that focus on adaptive significance of coloniality in birds and fossil records of birds. In particular, this volume looks into group phenomena related to central place systems, that is, systems in which one or more individuals move to and from a centrally located place in the course of daily activities. It also addresses selective factors that have been suggested to explain why individuals should form colonies rather than disperse within the available foraging space. This book will be useful as a reference material for advanced students and instructors in this field of interest.

Author:
Publisher: Academic Press
ISBN: 0080582699
Category : Psychology
Languages : en
Pages : 279

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Book Description
Advances in the Study of Behavior