Some Common Birds Useful to the Farmer (Classic Reprint) PDF Download
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Author: F. E. L. Beal
Publisher: Forgotten Books
ISBN: 9781391899398
Category : Science
Languages : en
Pages : 36
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Book Description
Excerpt from Some Common Birds Useful to the Farmer Sparrows are not obtrusive birds, either in plumage, song, or action. There are some 40 species, with nearly as many subspecies, in North America. Not more than half a dozen forms are generally known in any one locality. All the species are more or less migratory, but so widely are they distributed that there is probably no part of the country where some can not be found throughout the year. 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.
Author: F. E. L. Beal
Publisher: Forgotten Books
ISBN: 9781391899398
Category : Science
Languages : en
Pages : 36
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Book Description
Excerpt from Some Common Birds Useful to the Farmer Sparrows are not obtrusive birds, either in plumage, song, or action. There are some 40 species, with nearly as many subspecies, in North America. Not more than half a dozen forms are generally known in any one locality. All the species are more or less migratory, but so widely are they distributed that there is probably no part of the country where some can not be found throughout the year. 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.
Author: Charles Lester Marlatt
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 572
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Book Description
Author: Foster Ellenborough Lascelles Beal
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Foster Ellenborough Lascelles Beal
Publisher:
ISBN:
Category : Beneficial birds
Languages : en
Pages : 29
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Book Description
Author: Foster Ellenborough Lacelles Beal
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 27
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Author: F. E. L. Beal
Publisher: DigiCat
ISBN:
Category : Fiction
Languages : en
Pages : 68
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Book Description
This book was written by ​​Ellenborough Lascelles Beal, an American pioneer of economic ornithology. In the following pages are discussed the food habits of more than 50 birds belonging to 12 families. Many are eastern forms which are represented in the West by slightly different species or subspecies, but unless the food habits differ they are not separately described. In some cases specific percentages of food are given, but for the most part the statements are made without direct reference to the data on which they are based.
Author: Foster Ellenborough Lascelles Beal
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 40
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Author: Foster Ellenborough Lascelles Beal
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: F. E. L. Beal
Publisher:
ISBN: 9781330849880
Category : Science
Languages : en
Pages : 46
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Book Description
Excerpt from Some Common Birds in Their Relation to Agriculture It has long been known that birds play an important part in relation to agriculture, but there seems to be a tendency to dwell on the harm they do rather than on the good. Whether a bird is injurious or beneficial depends almost entirely upon what it eats, and in the case of species which are unusually abundant or which depend in part upon the farmer's crops for subsistence the character of the food often becomes a very practical question. If crows or blackbirds are seen in numbers about cornfields, or if woodpeckers are noticed at work in an orchard, it is perhaps not surprising that they are accused of doing harm. Careful investigation, however, often shows that they are actually destroying noxious insects, and also that even those which do harm at one season may compensate for it by eating noxious species at another. Insects are eaten at all times by the majority of land birds, and during the breeding season most kinds subsist largely and rear their young exclusively on this food. When insects are unusually plentiful, they are eaten by many birds which ordinarily do not touch them. Even birds of prey resort to this diet, and when insects are more easily obtained than other fare, the smaller hawks and owls live on them almost entirely. This was well illustrated during the recent plague of Rocky Mountain locusts in the Western States, when it was found that locusts were eaten by nearly every bird in the region, and that they formed almost the entire food of a large majority of the species. Within certain limits, birds feed upon the kind of food that is most accessible. Thus, as a rule, insectivorous birds eat the insects that are most easily obtained, provided they do not have some peculiarly disagreeable property. It is not probable that a bird habitually passes by one kind of insect to look for another which is more appetizing, and there seems little evidence in support of the theory that the selection of food is restricted to any particular species of insect, for it is evident that a bird eats those which by its own method of seeking are most easily obtained. 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.
Author: F. E. L. Beal
Publisher:
ISBN: 9780649250165
Category :
Languages : en
Pages : 52
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Book Description
