Read Life histories of North American birds of prey; order Falconiformes, by Arthur Cleveland Bent. Volume no.170 pt.2 [Leather Bound]

Life histories of North American birds of prey; order Falconiformes, by Arthur Cleveland Bent. Volume no.170 pt.2 [Leather Bound]

Arthur Cleveland Bent

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Description:Excerpt from Life Histories of North American Birds of Prey, Vol. 2: Orders Falconiformes and Strigiformes This is the eleventh in a series of bulletins of the United States National Museum on the life histories of North American birds. Previous numbers have been issued as follows: 107. Life Histories of North American Diving Birds, August 1, 1919.113. Life Histories of North American Gulls and Terns, August 27, 1921.121. Life Histories of North American Petrels and Pelicans and their Allies, October 19, 1922.126. Life Histories of North American Wild Fowl (part), May 25, 1923.130. Life Histories of North American Wild Fowl (part), June 27, 1925.135. Life Histories of North American Marsh Birds, March 11, 1927.142. Life Histories of North American Shore Birds (pt. 1), December 31, 1927.146. Life Histories of North American Shore Birds (pt. 2), March 24, 1929.162. Life Histories of North American Gallinaceous Birds, May 25, 1932.167. Life Histories of North American Birds of Prey (pt. 1), May 3, 1937. The same general plan has been followed, as explained in previous bulletins, and the same sources of information have been utilized. The nomenclature of the 1931 Check-List of the American Ornithologists' Union has been followed, but it has seemed best to continue in the same order of arrangement of families and species as given in the 1910 check-list. An attempt has been made to give as full a life history as possible of the best-known subspecies of each species and to avoid duplication by writing briefly of the others and giving only the characters of the subspecies, its range, and any habits peculiar to it. In many cases certain habits, probably common to the species as a whole, have been recorded for only one subspecies; such habits are mentioned under the subspecies on which the observations were made. The distribution gives the range of the species as a whole, with only rough outlines of the ranges of the subspecies, which in many eases cannot be accurately defined. The egg dates are the condensed results of a mass of records taken from the data in a large number of the best egg collections in the country, as well as from contributed field notes and from a few published sources. They indicate the dates on which eggs have been actually found in various parts of the country, showing the earliest and latest dates and the limits between which half the dates fall, the height of the season. The plumages are described in only enough detail to enable the reader to trace the sequence of molts and plumages from birth to maturity and to recognize the birds in the different stages and at the different seasons. No attempt has been made to describe fully the adult plumages; this has been well done already in the many manuals.We have made it easy for you to find a PDF Ebooks without any digging. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with Life histories of North American birds of prey; order Falconiformes, by Arthur Cleveland Bent. Volume no.170 pt.2 [Leather Bound]. To get started finding Life histories of North American birds of prey; order Falconiformes, by Arthur Cleveland Bent. Volume no.170 pt.2 [Leather Bound], you are right to find our website which has a comprehensive collection of manuals listed.
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Description: Excerpt from Life Histories of North American Birds of Prey, Vol. 2: Orders Falconiformes and Strigiformes This is the eleventh in a series of bulletins of the United States National Museum on the life histories of North American birds. Previous numbers have been issued as follows: 107. Life Histories of North American Diving Birds, August 1, 1919.113. Life Histories of North American Gulls and Terns, August 27, 1921.121. Life Histories of North American Petrels and Pelicans and their Allies, October 19, 1922.126. Life Histories of North American Wild Fowl (part), May 25, 1923.130. Life Histories of North American Wild Fowl (part), June 27, 1925.135. Life Histories of North American Marsh Birds, March 11, 1927.142. Life Histories of North American Shore Birds (pt. 1), December 31, 1927.146. Life Histories of North American Shore Birds (pt. 2), March 24, 1929.162. Life Histories of North American Gallinaceous Birds, May 25, 1932.167. Life Histories of North American Birds of Prey (pt. 1), May 3, 1937. The same general plan has been followed, as explained in previous bulletins, and the same sources of information have been utilized. The nomenclature of the 1931 Check-List of the American Ornithologists' Union has been followed, but it has seemed best to continue in the same order of arrangement of families and species as given in the 1910 check-list. An attempt has been made to give as full a life history as possible of the best-known subspecies of each species and to avoid duplication by writing briefly of the others and giving only the characters of the subspecies, its range, and any habits peculiar to it. In many cases certain habits, probably common to the species as a whole, have been recorded for only one subspecies; such habits are mentioned under the subspecies on which the observations were made. The distribution gives the range of the species as a whole, with only rough outlines of the ranges of the subspecies, which in many eases cannot be accurately defined. The egg dates are the condensed results of a mass of records taken from the data in a large number of the best egg collections in the country, as well as from contributed field notes and from a few published sources. They indicate the dates on which eggs have been actually found in various parts of the country, showing the earliest and latest dates and the limits between which half the dates fall, the height of the season. The plumages are described in only enough detail to enable the reader to trace the sequence of molts and plumages from birth to maturity and to recognize the birds in the different stages and at the different seasons. No attempt has been made to describe fully the adult plumages; this has been well done already in the many manuals.We have made it easy for you to find a PDF Ebooks without any digging. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with Life histories of North American birds of prey; order Falconiformes, by Arthur Cleveland Bent. Volume no.170 pt.2 [Leather Bound]. To get started finding Life histories of North American birds of prey; order Falconiformes, by Arthur Cleveland Bent. Volume no.170 pt.2 [Leather Bound], you are right to find our website which has a comprehensive collection of manuals listed.
Our library is the biggest of these that have literally hundreds of thousands of different products represented.

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Life histories of North American birds of prey; order Falconiformes, by Arthur Cleveland Bent. Volume no.170 pt.2 [Leather Bound]

Life histories of North American birds of prey; order Falconiformes, by Arthur Cleveland Bent. Volume no.170 pt.2 [Leather Bound]

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