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The North American Geese
Their Biology and Behavior
Taschenbuch von Paul Johnsgard
Sprache: Englisch

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Beschreibung
There are eight currently recognized species of North American geese: emperor, greater white-fronted, snow, Ross's, Canada and cackling, barnacle, and brant geese. This book describes each species' geographic range and subspecies, its identification traits, weights and measurements, and criteria for its age and sex determination. Ecological and behavioral information includes each species' breeding and wintering habitats, its foods and foraging behavior, its local and long distance movements, and its relationships with other species. Reproductive information includes each species' age of maturity, pair-bond pattern, pair-forming behaviors, usual clutch sizes and incubation periods, brooding behavior, and postbreeding behavior. Mortality sources and rates of egg, young, and adult losses are summarized, and the past and current populations of all species are estimated. The book includes 8 maps, 21 line drawings, 28 photographs by the author, and more than 700 literature citations.
There are eight currently recognized species of North American geese: emperor, greater white-fronted, snow, Ross's, Canada and cackling, barnacle, and brant geese. This book describes each species' geographic range and subspecies, its identification traits, weights and measurements, and criteria for its age and sex determination. Ecological and behavioral information includes each species' breeding and wintering habitats, its foods and foraging behavior, its local and long distance movements, and its relationships with other species. Reproductive information includes each species' age of maturity, pair-bond pattern, pair-forming behaviors, usual clutch sizes and incubation periods, brooding behavior, and postbreeding behavior. Mortality sources and rates of egg, young, and adult losses are summarized, and the past and current populations of all species are estimated. The book includes 8 maps, 21 line drawings, 28 photographs by the author, and more than 700 literature citations.
Über den Autor
Paul Johnsgard is Foundation Regents Professor Emeritus in the School of Biological Sciences at the University of Nebraska. He is the author of about 100 books on ornithology, avian behavior, ecology, and natural history. He is a Fellow of the American Ornithologists' Union and the recipient of lifetime awards from the National Wildlife Federation and the National Audubon Society. His publications have appeared in eight different decades. Tom Mangelsen is a photographer, cinematographer, and filmmaker. He is recognized as one of the world's premier nature photographers, with works appearing in National Geographic, Audubon, Smithsonian, Natural History, Newsweek, Wildlife Art, American Photo, and National Wildlife. His photos have been exhibited around the world and received international awards. He is an advisor and collaborator with Jane Goodall on her African conservation projects.
Details
Erscheinungsjahr: 2016
Genre: Importe, Technik allg.
Rubrik: Naturwissenschaften & Technik
Medium: Taschenbuch
ISBN-13: 9781609620943
ISBN-10: 1609620941
Sprache: Englisch
Einband: Kartoniert / Broschiert
Autor: Johnsgard, Paul
Hersteller: Zea Books
Verantwortliche Person für die EU: Libri GmbH, Europaallee 1, D-36244 Bad Hersfeld, gpsr@libri.de
Maße: 280 x 216 x 9 mm
Von/Mit: Paul Johnsgard
Erscheinungsdatum: 23.08.2016
Gewicht: 0,421 kg
Artikel-ID: 113452936
Über den Autor
Paul Johnsgard is Foundation Regents Professor Emeritus in the School of Biological Sciences at the University of Nebraska. He is the author of about 100 books on ornithology, avian behavior, ecology, and natural history. He is a Fellow of the American Ornithologists' Union and the recipient of lifetime awards from the National Wildlife Federation and the National Audubon Society. His publications have appeared in eight different decades. Tom Mangelsen is a photographer, cinematographer, and filmmaker. He is recognized as one of the world's premier nature photographers, with works appearing in National Geographic, Audubon, Smithsonian, Natural History, Newsweek, Wildlife Art, American Photo, and National Wildlife. His photos have been exhibited around the world and received international awards. He is an advisor and collaborator with Jane Goodall on her African conservation projects.
Details
Erscheinungsjahr: 2016
Genre: Importe, Technik allg.
Rubrik: Naturwissenschaften & Technik
Medium: Taschenbuch
ISBN-13: 9781609620943
ISBN-10: 1609620941
Sprache: Englisch
Einband: Kartoniert / Broschiert
Autor: Johnsgard, Paul
Hersteller: Zea Books
Verantwortliche Person für die EU: Libri GmbH, Europaallee 1, D-36244 Bad Hersfeld, gpsr@libri.de
Maße: 280 x 216 x 9 mm
Von/Mit: Paul Johnsgard
Erscheinungsdatum: 23.08.2016
Gewicht: 0,421 kg
Artikel-ID: 113452936
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