Host Relations Of The Parasitic Cowbirds
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Host Relations Of The Parasitic Cowbirds
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Author : Herbert Friedmann
language : en
Publisher:
Release Date : 1963
Host Relations Of The Parasitic Cowbirds written by Herbert Friedmann and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Birds categories.
Host Relations Of The Parasitic Cowbirds Classic Reprint
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Author : Herbert Friedmann
language : en
Publisher: Forgotten Books
Release Date : 2017-11-26
Host Relations Of The Parasitic Cowbirds Classic Reprint written by Herbert Friedmann and has been published by Forgotten Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-11-26 with Science categories.
Excerpt from Host Relations of the Parasitic Cowbirds Inasmuch as the completeness of our knowledge varies with the different species of cowbirds, the detailed discussion of such biolog ical matters as host selection, the relative frequency with which different species of these hosts are utilized, the success rate with which these birds serve as fosterers, and the various reactions they give to the parasite and to the incidence of parasitism are all given in the account of each species of cowbird. As might be expected from the interest discussed above, the data are incomparably more extensive, and thus more amenable to analysis and interpretation, for the North American brown-headed cowbird than for any of the others. Because of this, the chief biological discussion and synthesis are given under that species, even though parts of the thoughts and conclusions are applicable to the others as well. The present study of the host-parasite relations of the cowbirds has been a long time in progress. Not only has a great mass of data been accumulating slowly over several decades, but newer insights and better methods of evaluating and interpreting the facts have been brought to bear as the material permitted. Much of the present data is due in large measure to the kind cooperation of many observ ers, collectors, and custodians of collections, all of whom have generously sent me numerous interesting records that otherwise would not have been available. 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.
Additional Data On The Host Relations Of The Parasitic Cowbirds
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Author : Herbert Friedmann
language : en
Publisher:
Release Date : 1966
Additional Data On The Host Relations Of The Parasitic Cowbirds written by Herbert Friedmann and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Birds categories.
Host Relations Of The Parasitic Cowbirds
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Author : Gilbert L. Voss
language : en
Publisher:
Release Date : 1963
Host Relations Of The Parasitic Cowbirds written by Gilbert L. Voss and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Birds categories.
A Further Contribution To Knowledge Of The Host Relations Of The Parasitic Cowbirds
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Author : Herbert Friedmann
language : en
Publisher:
Release Date : 1977
A Further Contribution To Knowledge Of The Host Relations Of The Parasitic Cowbirds written by Herbert Friedmann and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with categories.
Additional Data On The Host Relations Of The Parasite Cowbirds
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Author : Herbert Friedmann
language : en
Publisher:
Release Date : 1966
Additional Data On The Host Relations Of The Parasite Cowbirds written by Herbert Friedmann and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Birds categories.
Host Relations Of The Parasitic Cowbirds
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Author : Herbert Friedmann
language : en
Publisher:
Release Date : 1963
Host Relations Of The Parasitic Cowbirds written by Herbert Friedmann and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Birds categories.
Cowbirds are an ideal group in which to study the biology of brood parasitism; within the six included species there are displayed all stages of the development of this mode of reproduction ranging from that of the non-parasitic bay-wing through those of the completely parasitic screaming, shiny, brown-headed, bronzed, and giant cowbirds. The present report deals only with their host relationships, as this is the aspect of their biology in which our knowledge has shown the greatest increase since the author's discussion was published in 1929.
Ecology And Management Of Cowbirds And Their Hosts
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Author : James N. M. Smith
language : en
Publisher: University of Texas Press
Release Date : 2014-09-05
Ecology And Management Of Cowbirds And Their Hosts written by James N. M. Smith and has been published by University of Texas Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-09-05 with Nature categories.
In the past two centuries, cowbirds have increased in numbers and extended their range across North America, while many of the native songbird species whose nests they parasitize to raise their young have declined. This timely book collects forty essays by most of the principal authorities on the biology and management of cowbirds. The book's goals are to explore the biology of cowbirds, the threats they pose to host species and populations, and the management programs that are being undertaken to minimize these threats. The book is organized into five sections, each with an extended editors' introduction that places the contributions in a broad, up-to-date setting. The sections cover: The changing abundance of cowbirds and the ways in which their numbers can be estimated. Host choice by cowbirds, the negative effects of cowbirds on particular host species, and the daily patterns of cowbird behavior. Behavioral interactions between cowbirds and specific host species. Patterns of cowbird abundance and host use across varying landscapes. Management programs designed to control cowbirds and protect threatened songbirds.
Additional Data On The Host Relationsof The Parasitic Cowbirds
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Author : Smithsonian Institution
language : en
Publisher:
Release Date : 1966
Additional Data On The Host Relationsof The Parasitic Cowbirds written by Smithsonian Institution and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with categories.
The Parasitic Cowbirds And Their Hosts
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Author : Herbert Friedmann
language : en
Publisher:
Release Date : 1985
The Parasitic Cowbirds And Their Hosts written by Herbert Friedmann and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Birds categories.