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Author: Guy Baldassarre
Publisher: JHU Press
ISBN: 1421408082
Category : Science
Languages : en
Pages : 1183
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Book Description
The best-selling and authoritative reference book on waterfowl has been fully revised and updated by one of the world’s most respected waterfowl biologists. Honorable Mention for the PROSE Award for Excellence, Multivolume/Science of the Association of American Publishers Ducks, Geese, and Swans of North America has been hailed as a classic since the first edition was published in 1942. A must-have for professional biologists, birders, waterfowl hunters, decoy collectors, and wildlife managers, this fully revised and updated edition provides definitive information on the continent's forty-six species. Maps of both winter and breeding ranges are presented with stunning images by top waterfowl photographers and the acclaimed original artwork of Robert W. (Bob) Hines. Originally authored by F. H. Kortright and later revised by Frank Bellrose, this latest edition, which has been meticulously updated by renowned waterfowl biologist Guy Baldassarre, continues the legacy of esteemed authors. Each species account contains in-depth sections on: • identification • distribution • migration behavior • habitat • population status • breeding biology • rearing of young • recruitment and survival • food habits and feeding ecology • molts and plumages • conservation and management To facilitate identification, the species accounts also include detailed illustrations of wings. An appendix contains comparative illustrations of ducklings, goslings, and cygnets. This edition of Ducks, Geese, and Swans consists of two volumes, printed in full color, and packaged in a slipcase, along with a CD containing references and additional maps.
Author: Guy Baldassarre
Publisher: JHU Press
ISBN: 1421408082
Category : Science
Languages : en
Pages : 1183
Get Book Here
Book Description
The best-selling and authoritative reference book on waterfowl has been fully revised and updated by one of the world’s most respected waterfowl biologists. Honorable Mention for the PROSE Award for Excellence, Multivolume/Science of the Association of American Publishers Ducks, Geese, and Swans of North America has been hailed as a classic since the first edition was published in 1942. A must-have for professional biologists, birders, waterfowl hunters, decoy collectors, and wildlife managers, this fully revised and updated edition provides definitive information on the continent's forty-six species. Maps of both winter and breeding ranges are presented with stunning images by top waterfowl photographers and the acclaimed original artwork of Robert W. (Bob) Hines. Originally authored by F. H. Kortright and later revised by Frank Bellrose, this latest edition, which has been meticulously updated by renowned waterfowl biologist Guy Baldassarre, continues the legacy of esteemed authors. Each species account contains in-depth sections on: • identification • distribution • migration behavior • habitat • population status • breeding biology • rearing of young • recruitment and survival • food habits and feeding ecology • molts and plumages • conservation and management To facilitate identification, the species accounts also include detailed illustrations of wings. An appendix contains comparative illustrations of ducklings, goslings, and cygnets. This edition of Ducks, Geese, and Swans consists of two volumes, printed in full color, and packaged in a slipcase, along with a CD containing references and additional maps.
Author: Frank Chapman Bellrose
Publisher: Harrisburg, Pa. : Stackpole Books
ISBN:
Category : Nature
Languages : en
Pages : 576
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Book Description
A new and expanded version of the original work by F.H. Kortright.
Author: Charles B Cory
Publisher:
ISBN: 9781072027591
Category :
Languages : en
Pages : 98
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Book Description
From the Preface.The present work is intended to meet the wants of a large number of persons, especially sportsmen, who are interested in birds and would like to know their names, but often find it no easy task to identify them by the "bird books." To all such I offer this Key, in which the species are arranged in groups according to size, and believe it will enable any one unfamiliar with birds to identify with Comparative ease any species of our North American Anatidæ. Birds vary so much in size that the length of any one specimen cannot be accepted as a standard for others of the same species. The length measure is, nevertheless, of value to enable us to form an approximate idea of the size of the bird. The length of the wing is, however, much less variable, and is an important aid to the identification of many species. In fact, the variation is so small and constant that, allowing for possible extremes, they may be arranged in groups according to length of wing. The identification of any species then becomes a very simple matter, as usually the birds contained in each group are so few in number that characteristic differences in each species are easily indicated.Let us assume, for example, we have before us a bird which we wish to identify. We first measure the wing (see directions for measurements, illustrated, page 7), and. we find the wing measures 5.90 inches long. We now turn to the "Index to Key," and find that Group I. contains birds having the wing measuring from 5.50 to 6.50 inches long. Turning to Group I., we find it contains two sections; Section 1 comprising ducks having a hind toe without flap or lobe, *and Section 2 comprising ducks having a flap on the hind toe. As our duck has a flap on its hind toe, it evidently belongs to this section. We find Section 2 divided in two parts; Part 1 with tail feathers not stiff and pointed, and Part 2, tail feathers stiff and pointed. Our duck has stiff, pointed tail feathers, and therefore belongs in Part 2. Part 2 contains two species; one having front of head and cheeks black, the other with sides of head more or less white. As our duck has a patch of white on the side of the head, it must therefore be the Ruddy Duck, Erismaturu rubida.
Author: Charles Barney Cory
Publisher:
ISBN:
Category : Birds
Languages : en
Pages : 114
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Book Description
Author: Frank Todd
Publisher: Hancock House
ISBN: 9780888390936
Category : Nature
Languages : en
Pages : 0
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Book Description
This book is a richly detailed photographic guide to the Ducks, Geese, and Swans of North America, including the Hawaiian Islands, Greenland, Mexico and the U.S. Territories in the Pacific Ocean. The photographs, mostly by the author, were selected to highlight plumage phases, age classes and variation and behavioral postures. Brief text describes the different categories of waterfowl and brief bullet points highlight important identification features. Range maps and population estimates are noted in the text and some details of morphology are also provided in an Appendix.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Francis H. Kortright
Publisher:
ISBN:
Category : Anatidae
Languages : en
Pages : 498
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Book Description
Author: Ruth Soffer
Publisher: Courier Corporation
ISBN: 9780486291659
Category : Juvenile Nonfiction
Languages : en
Pages : 54
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Book Description
Over 40 drawings depict native species in natural habitats: trumpeter swan, blue goose, common loon, ruddy duck, mallard duck, northern shoveler, many more.
Author: Charles Barney Cory
Publisher: Forgotten Books
ISBN: 9781334741999
Category : Science
Languages : en
Pages : 108
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Book Description
Excerpt from How to Know the Ducks, Geese and Swans of North America: All the Species Being Grouped According to Size and Color In preparing the Key, a large number of birds were examined and measured. In this connection, my thanks are due to Dr. J. A. Allen, of the American Museum of Natural History; and to Mr. Robert Ridgway, of the Smithsonian Institute, for the loan of many specimens for examination; and especially to Mr. William Brewster, for free access to his magnificent collection in Cambridge. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Paul A. Johnsgard
Publisher: Bloomington : Indiana University Press
ISBN:
Category : Nature
Languages : en
Pages : 642
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Book Description
"Compendium of data...for all of the nearly sixty species of ducks, geese, and swans known to breed in North America. For each species the distribution (with range maps for all breeding species), weights and measurements, information on identification in the hand and in the field, criteria for determining age and sex, and North American subspecies are given. Each species description also includes detailed accounts of preferred habitat, food, ecology, migratory movements, sociality, age at maturity, nest location, clutch size, incubation and fledging periods, pairing and flocking behavior, and copulatory, nesting, brooding, and postbreeding behavior." --Dust jacket.
