Birds in Flight
by W. P. Pycraft
Publisher: Gay & Hancock ltd. 1922
Number of pages: 220
The wings of the bird not only lift the body from the earth, but they sustain it in the air by their marvellously complex movements. And this is true, in varying degrees of bird, and bat, and butterfly: of dragon-fly and beetle ...
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by George H. Lowery - University of Kansas
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.
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 H. Eliot Howard - E. P. Dutton and company
From the contents: The Disposition to Secure a Territory; The Disposition to Defend the Territory; The Relation of Song to the Territory; The Warfare between Different Species; The Relation of the Territory to Migration; and more.
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.