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 Frank M. Chapman - D. Appleton & co
A pocket museum of the land birds of the eastern United States arranged according to season. The birds are drawn and reproduced with such accuracy that no essential detail of color or form is lost. They are all drawn to nearly the same scale.
by Bruce Wright (ed.) - Smashwords
A collection of papers and articles from international bald eagle experts, which present a complete portrait of the status and ecology of the bald eagle in Alaska. Myriad topics include culture, biology, population history and status, etc.
by William Lovell Finley - Charles Scribners' Sons
The book covers Kingfishers, Hummingbirds, Crows, Sparrows, Orioles, Sea Gulls, and many more. Profusely illustrated with photographs taken in the wild. Nice photos also of the photographers in action - 50 feet in the air with the old-style cameras.
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.