Variation in the Vocalizations of Male Red-winged Blackbirds PDF Download
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Author: Richard Walter Simmers
Publisher:
ISBN:
Category : Birdsongs
Languages : en
Pages : 376
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Book Description
Author: Richard Walter Simmers
Publisher:
ISBN:
Category : Birdsongs
Languages : en
Pages : 376
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Book Description
Author: U.S. Fish and Wildlife Service
Publisher:
ISBN:
Category : Animals
Languages : en
Pages : 826
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Book Description
Author: Linda A. Whittingham
Publisher:
ISBN:
Category : Parental behavior in animals
Languages : en
Pages : 52
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Book Description
Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 854
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Book Description
Author: William A. Searcy
Publisher: Princeton University Press
ISBN: 1400863937
Category : Science
Languages : en
Pages : 331
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Book Description
The purpose of this book is to explain why red-winged blackbirds are polygynous and to describe the effects of this mating system on other aspects of the biology of the species. Polygyny is a mating system in which individual males form long-term mating relationships with more than one female at a time. The authors show that females choose to mate polygynously because there is little cost to sharing male parental care in this species, and because females gain protection against nest predation by nesting near other females. Polygyny has the effect of intensifying sexual selection on males by increasing the variance in mating success among males. For females, polygyny means that they will often share a male's territory with other females during the breeding season and will thus be forced to adapt to frequent female-female interactions. This work reviews the results of many studies by other researchers, as well as presenting the authors' own results. Studies of red-winged blackbirds have ranged from long-term investigations of reproductive success and demography, to research on genetic parentage based on modern molecular methods, to a variety of experimental manipulations of ecological circumstances and behavior. Since the red-winged blackbird is one of the best studied species of any taxa in terms of its behavior and ecology, the authors have a particularly extensive body of results on which to base their conclusions. Originally published in 1995. 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: Alan Powers
Publisher: Frog Books
ISBN: 1583940650
Category : Nature
Languages : en
Pages : 217
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Book Description
For the last 20 years, Alan Powers, who lives near Cape Cod, has experimented with birdcalls--mimicking and answering the calls he hears around his country home, in cities, and abroad in France and Italy. In BirdTalk, he celebrates this connection with entertaining allusions to history, literature, travel, linguistics, and other fields. The result is a charming and erudite stroll through an area of interest sometimes lost in the urban din. Powers reveals "birdtalk" by mapping the history of ornithological studies, quoting such bird fanciers as Shakespeare and Emily Dickinson and discussing specific techniques. In one of the most amusing chapters, he describes his attempts to teach the birds new symphonic riffs on their own calls. This illustrated literary inquiry into birdcalls is a nature book with a gift-book look.
Author: Les D. Beletsky
Publisher: University of Chicago Press
ISBN: 9780226041872
Category : Nature
Languages : en
Pages : 324
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Book Description
Drawing on detailed data from their sixteen-year study of red-winged blackbirds in the marshes of Washington's Columbia National Wildlife Refuge, Beletsky and Orians analyze the information redwings use to make breeding-season decisions and the consequences these decisions have for lifetime reproductive success. Because male and female redwings make different, and often independent, decisions—males focus on territory acquisition and maintenance, while females must choose when and where to nest and how much energy to invest in reproduction—the authors have taken the novel approach of studying the sexes separately. Using analyses of observational data combined with field experiments and game-theoretical models, the authors provide new insights into the complex patterns of reproductive decision-making and breeding behavior in redwings. This book will be of interest to all who study social animals, including behavioral ecologists, evolutionary biologists, and ornithologists.
Author:
Publisher:
ISBN:
Category : Wild life, Conservation of
Languages : en
Pages : 718
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Book Description
Author: Nathan Pieplow
Publisher: Houghton Mifflin Harcourt
ISBN: 0547905610
Category : Nature
Languages : en
Pages : 649
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Book Description
A comprehensive field guide that uses an innovative Sound Index to allow readers to quickly identify unfamiliar songs and calls of birds in western North America. Bird songs and calls are at least as important as visual field marks in identifying birds. Yet short of memorizing each bird’s repertoire, it’s difficult to sort through them all. Now, with the western edition of this groundbreaking book, it’s possible to visually distinguish bird sounds and identify birds using a field-guide format. At the core of this guide is the spectrogram, a visual graph of sound. With a brief introduction to five key aspects—speed, repetition, pauses, pitch pattern, and tone quality—readers can translate what they hear into visual recognition, without any musical training or auditory memorization. The Sound Index groups similar songs together, narrowing the identification choices quickly to a brief list of birds that are likely to be confused because of the similarity of their songs. Readers can then turn to the species account for more information and/or listen to the accompanying audio tracks available online. Identifying birds by sound is arguably the most challenging and important skill in birding. This book makes it vastly easier to master than ever before.
Author: Donald Kroodsma
Publisher: Mariner Books
ISBN: 1328919110
Category : Music
Languages : en
Pages : 213
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Book Description
Birdsong made easy to understand, lavishly illustrated with color photos, and accompanied by more than 700 online recordings From a leading expert, Birdsong for the Curious Naturalist is a basic, how-to guide that teaches anyone--from beginner to advanced birder--how to listen. In understandable and appealing language, Kroodsma explains why and how birds sing, what various calls mean, and what to listen for from the birds around us. The descriptions are accompanied by color photos of the birds, as well as QR codes that link to an online collection of more than 700 recordings. With these resources, readers are prepared to recognize bird sounds and the birds that make them. Kroodsma encourages readers to find the joy of birdsong and curiosity--to observe, listen intently, be curious, ask questions, and realize that many unanswered questions about birdsong don't have to rely on scientists for answers but can be answered by any curious naturalist.
