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Author: Joël Asaph Allen
Publisher:
ISBN:
Category : Eared seals
Languages : en
Pages : 144
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Book Description
![On the Eared Seals [Otariadae] with Detailed Descriptions of the North Pacific Species ... PDF](https://books.google.com/books/content/images/frontcover/f1IZAAAAYAAJ?fife=w80-h100)
Author: Joël Asaph Allen
Publisher:
ISBN:
Category : Eared seals
Languages : en
Pages : 144
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Book Description
Author: Joel Asaph Allen
Publisher:
ISBN:
Category : Eared seals
Languages : en
Pages : 108
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Book Description
Author: Joel Asaph Allen
Publisher:
ISBN:
Category : Eared seals
Languages : en
Pages : 114
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Book Description
Author: J. A. Allen
Publisher:
ISBN:
Category :
Languages : en
Pages : 108
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Book Description
Author: Ralph C. Baker
Publisher:
ISBN:
Category : Northern fur seal
Languages : en
Pages : 28
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Book Description
Booklet describing early history of fur sealing; the distribution and movement of northern fur seals; Callorhinus Ursinus, their food, physical characteristics, reproduction and mortality and disease, management and research; sealing on the Pribilof Islands and processing and sale of fur seal skins.
Author: Claudio Campagna
Publisher: Springer Nature
ISBN: 3030591840
Category : Nature
Languages : en
Pages : 667
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Book Description
This book is focused on the marine mammalian groups the Otariidae and the Odobenidae, otherwise known as fur seals, sea lions and the walrus. In 30 chapters, more than 60 authors from 30 institutions and 13 nationalities, discuss a broad suite of topics from maternal care and mating behavior, through play, cognition and personality, to adaptation to life in the Anthropocene. The authors explore the behaviors that have allowed these semi-aquatic mammals to thrive in the marine realm. Many populations have recovered following historical decimation, with interesting evolutionary consequences which are explored. Detailed, selected, individual species descriptions are also provided, showcasing the behavioral diversity of this engaging, adaptive and highly successful group of marine mammals.
Author:
Publisher:
ISBN:
Category : Northern fur seal
Languages : en
Pages : 8
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Book Description
Author: Roger L. Gentry
Publisher: Princeton University Press
ISBN: 1400854695
Category : Pets
Languages : en
Pages : 311
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Book Description
The contributors to this volume have accomplished a breakthrough in our ability to collect data on ocean-dwelling mammals. In the first large-scale comparison of fur seals, they have employed quantitative methods and a special instrument called a Time-Depth-Recorder to study the strategies used by females in six species of cared seals to rear and wean their young in different environments. Originally published in 1986. The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.
Author: Zelda King
Publisher: The Rosen Publishing Group, Inc
ISBN: 1448850061
Category : Juvenile Nonfiction
Languages : en
Pages : 26
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Book Description
Describes the physical characteristics, habits, and habitats of various kinds of seals.
Author: Roger L. Gentry
Publisher: Princeton University Press
ISBN: 1400864720
Category : Science
Languages : en
Pages : 409
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Book Description
Covering the behavior and ecology of the northern fur seal, this book is a model long-term study of marine mammals, one that tests theory through both observation of undisturbed behavior and manipulative experiments on individuals. Here Roger Gentry draws on nearly two decades of research on three different islands to show how behavior among these seals changes with population size, sex ratio, and environment, to explain the behavior of the population beginning with individuals, and to generalize the results to other members of the eared seal family. In so doing, he offers one of the most comprehensive studies of its kind on any marine mammal species to date. Gentry shows that the species is driven by very different behavioral traits than have been assumed for it in the past. His book analyzes behavior on scales of hours to lifetimes, investigates the mating system, considers processes that underlie the mating system (site fidelity, behavioral estrus, and the development of territoriality), and addresses specific aspects of maternal strategy (female attendance behavior, pup growth, seasonal influences, and the effects of continental shelf width). Gentry contributes to knowledge about marine mammals by providing a very specific basis for interspecies comparisons, and he suggests a link between population trend and environmental regime shifts. He also guides the debate over seal mating systems from an interpretive to an empirical or experimental basis. Originally published in 1997. The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.
