A Quantitative Study of the Nocturnal Migration of Birds
by George H. Lowery
Publisher: University of Kansas 1951
The nocturnal migration of birds is a phenomenon that long has intrigued zoologists the world over. Yet, despite this universal interest, most of the fundamental aspects of the problem remain shrouded in uncertainty and conjecture.
Home page url
Download or read it online for free here:
by C. A. Johns - George Routledge & Sons
This admirable work by the late Rev. C. A. Johns has already proved the making of many a naturalist and it will be a delight and help to many more nature lovers who wish to determine a species without recourse to bulky scientific works.
by F. N. Whitman - The Gorham Press
A photographer's study of wild birds he found around the area in the 1900's. The nature photographer F. N. Whitman also gives detailed information to the photographer just trying their hand at bird photography and how to go about it.
by Chester A. Reed - Doubleday, Page and Co.
An illustrated dictionary of North American birds. You will find more than seven hundred birds illustrated, with hundreds of photographs. This guide gives you the information you need to make a quick identification of any bird you are likely to meet.
by Frank M. Chapman - D. Appleton & co.
To learn to call a bird by its right name is the first step in the study of ornithology. We may investigate the birds, or desire merely a knowledge of the species in our garden, but in either case we are confronted by this question of identification.