Coastal Waterbird Colonies
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Coastal Waterbird Colonies
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Author : R. Michael Erwin
language : en
Publisher:
Release Date : 1979
Coastal Waterbird Colonies written by R. Michael Erwin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Bird populations categories.
Coastal Waterbird Colonies
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Author : Carl E. Korschgen
language : en
Publisher:
Release Date : 1979
Coastal Waterbird Colonies written by Carl E. Korschgen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Bird populations categories.
Coastal Waterbird Colonies
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Author : R. Michael Erwin
language : en
Publisher:
Release Date : 1979
Coastal Waterbird Colonies written by R. Michael Erwin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Atlantic Coast (U.S.) categories.
Coastal Waterbird Colonies Maine To Virginia 1984 85 New York To Virginia
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Author :
language : en
Publisher:
Release Date : 1990
Coastal Waterbird Colonies Maine To Virginia 1984 85 New York To Virginia written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Birds categories.
Coastal Waterbird Colonies
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Author : Carl E. Korschgen
language : en
Publisher: Forgotten Books
Release Date : 2016-12-22
Coastal Waterbird Colonies written by Carl E. Korschgen and has been published by Forgotten Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-12-22 with Science categories.
Excerpt from Coastal Waterbird Colonies: Maine Surveys were flown each spring in fixed-wing aircraft to locate colonies and to estimate populations of those species that are highly visible. Later each colony site was visited by boat to determine species composition and to estimate populations more accurately. Total nest counts, counts of breeding adults, partial nest counts, and estimates of adults were felt to be the most reliable inventory methods, in that order. A total of 353 colony sites was found with an estimated population of breeding pairs. Nineteen species of sea and wading birds frequently nested at sites containing several species. As many as nine species sometimes nested at such a site. The most abundant nesting species on the coast was the herring gull, followed in order of abun dance by common eider, Leach's storm-petrel, double-crested cormorant, great black-backed gull, 4 species of terns, 3 species of alcids, and 3 species of herons. More than 220 colonies of herring and great black-backed gulls and common eiders were located on the study area. Species with estimated total populations of less than 150 pairs nested in only a few scattered colonies along the Maine coast. Population estimates for all colonies of each species are listed. Nearly 75 percent of the birds nested at sites that were pri vately owned. Diagrams depict the generalized nesting chronology for each species. 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.
Coastal Waterbird Colonies Maine
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Author : Carl E. Korschgen
language : en
Publisher:
Release Date : 1979
Coastal Waterbird Colonies Maine written by Carl E. Korschgen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Bird populations categories.
Coastal Waterbird Colonies
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Author : R. Michael Erwin
language : en
Publisher:
Release Date : 1979
Coastal Waterbird Colonies written by R. Michael Erwin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Bird populations categories.
Coastal Waterbird Colonies Maine To Virginia 1984 85 Maine To Connecticut
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Author :
language : en
Publisher:
Release Date : 1990
Coastal Waterbird Colonies Maine To Virginia 1984 85 Maine To Connecticut written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Birds categories.
Coastal Waterbird Colonies
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FREE 30 Days
Author : R. Michael Erwin
language : en
Publisher:
Release Date : 1979
Coastal Waterbird Colonies written by R. Michael Erwin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Water birds categories.
Coastal Waterbird Colonies Maine To Virginia 1977
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Author : R. MICHAEL. ERWIN
language : en
Publisher:
Release Date : 2018
Coastal Waterbird Colonies Maine To Virginia 1977 written by R. MICHAEL. ERWIN and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with categories.