A History Of North American Birds Land Birds Volume 3
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A History Of North American Birds Land Birds Volume 3
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Author : Robert Ridgway
language : en
Publisher: Litres
Release Date : 2018-09-16
A History Of North American Birds Land Birds Volume 3 written by Robert Ridgway and has been published by Litres this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-09-16 with Education categories.
A History Of North American Birds
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Author : Robert Ridgway
language : en
Publisher:
Release Date : 2019-10-31
A History Of North American Birds written by Robert Ridgway and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-10-31 with categories.
A History Of North American Birds Vol 3 Classic Reprint
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Author : S. F. Baird
language : en
Publisher:
Release Date : 2015-06-28
A History Of North American Birds Vol 3 Classic Reprint written by S. F. Baird and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-06-28 with Science categories.
Excerpt from A History of North American Birds, Vol. 3 The group of birds usually known as the Raptores, or Rapacious Birds, embraces three well-marked divisions, namely, the Owls, the Hawks, and the Vultures. In former classifications they headed the Class of Birds, being honored with this position in consequence of their powerful organization, large size, and predatory habits. But it being now known that in structure they are less perfectly organized than the Passcres and Strisorcs, birds generally far more delicate in organization, as well as smaller in size, they occupy a place in the more recent arrangements nearly at the end of the Terrestrial forms. The complete definition of the order Raptorcs, and of its subdivisions, requires the enumeration of a great many characters; and that their distinguishing features may be more easily recognized by the student, I give first a brief diagnosis, including their simplest characters, to be followed by a more detailed account hereafter. Common Characters. Bill hooked, the tipper mandible furnished at the base with a soft skin, or "cere," in which the nostrils are situated. Toes, three before and one behind. Raptores. Strigidae. Eyes directed forwards, and surrounded by radiating feathers, which are bounded, except anteriorly, by a circle or rim of differently formed, stiffer feathers. Outer toe reversible. Claws much hooked and very sharp. Legs and toes usually feathered, or, at least, coated with bristles. The Owls. Falconidae. Eyes lateral, and not surrounded by radiating feathers. Outer toe not reversible (except in Pandion). Claws usually booked and sharp, but variable. Head more or less completely feathered. The Hawks. Cathartidae. Eyes lateral; whole head naked. Outer toe not reversible; claws slightly curved, blunt. The Vultures. The preceding characters, though purely artificial, may nevertheless serve to distinguish the three families of Raptores belonging to the North American Ornis; a more scientific diagnosis, embracing a sufficient number of osteological, and accompanying anatomical characters, will be found further on. 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."
A History Of North American Birds Land Birds Vol 3 Of 3
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Author : Spencer Fullerton Baird
language : en
Publisher:
Release Date : 2017
A History Of North American Birds Land Birds Vol 3 Of 3 written by Spencer Fullerton Baird and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
A History Of North American Birds Land Birds Vol 1 Of 3
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Author : Robert Ridgway
language : en
Publisher:
Release Date : 2017
A History Of North American Birds Land Birds Vol 1 Of 3 written by Robert Ridgway and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
A History Of North American Birds Land Birds Vol 2 Of 3
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Author : Spencer Fullerton Baird
language : en
Publisher:
Release Date : 2017
A History Of North American Birds Land Birds Vol 2 Of 3 written by Spencer Fullerton Baird and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
Hist Of North Amer Birds
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Author : Spencer Fullerton 1823-1887 Baird
language : en
Publisher: Wentworth Press
Release Date : 2016-08-26
Hist Of North Amer Birds written by Spencer Fullerton 1823-1887 Baird and has been published by Wentworth Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-08-26 with History categories.
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
History Of North American Birds Vol 2
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Author : Spencer Fullerton Baird
language : en
Publisher:
Release Date : 2015-07-03
History Of North American Birds Vol 2 written by Spencer Fullerton Baird and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-07-03 with Science categories.
Excerpt from History of North American Birds, Vol. 2: Land Birds Gen. Char. Bill conical, the outlines slightly curved; the lower mandible decidedly larger than the upper; the commissure gently sinuated; the roof of the mouth not knobbed. Feet slender; tarsus rather longer than the middle toe; the hinder toe a little longer than the outer lateral, which slightly exceeds the inner; the outer claw reaching the base of the middle one, and half as long as its toe. Claws moderately curved. Tertiaries and secondaries nearly equal; wing somewhat pointed, reaching not quite to the middle of the tail. First quill a little shorter than the second and equal to the fifth; third longest. Tail Spizella monticola. rather long, moderately forked, and divaricated at the tip; the feathers rather narrow. Back streaked; rump and beneath immaculate. Young streaked beneath. This genus differs from Zonotrichia principally in the smaller size and longer and forked, instead of rounded tail. Birds of the year of this genus are very difficult to distinguish, even by size, except in monticola. The more immature birds are also very closely related. In these the entire absence of streaks on a plumbeous head point to atrigularis; the same character in a reddish cap, and a reddish upper mandible to pusilla; a dusky loral spot with dark streaks and generally a rufous shade on top of head, to socialis. S. breweri, with a streaked head, lacks the dusky lore and chestnut shade of feathers. S. pallida generally has a median light stripe in the cap, and a dusky mandibular line. 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.
A History Of North American Birds
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Author : Spencer Fullerton Baird
language : en
Publisher:
Release Date : 1874
A History Of North American Birds written by Spencer Fullerton Baird and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1874 with Birds categories.
A History Of North American Birds
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Author : Spencer Fullerton Baird
language : en
Publisher:
Release Date : 1983
A History Of North American Birds written by Spencer Fullerton Baird and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Birds categories.