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Food of the Crow

Food of the Crow, Corvus brachyrhynchos Brehm, in South-central Kansas by Platt The yearly diet of the crow was studied from December, 1952, to February, 1954, in Harvey County and the northeastern townships of Reno County, in south-central Kansas. In the United States much attention has been devoted previously to the food taken by the […]

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Thoracic and Coracoid Arteries In Two Families of Birds

Thoracic and Coracoid Arteries In Two Families of Birds, Columbidae and Hirundinidae. Most descriptions of the circulatory system of birds, largely the work of Glenny, have dealt with arteries of the neck and thorax in a wide variety of species. As a result of his work, Glenny offered several hypotheses concerning the phylogenetic, hence taxonomic, […]

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Observations on the Mississippi Kite in Southwestern Kansas

The Mississippi kite (_Ictinia mississippiensis_) is one of the common raptors of Kansas, occurring regularly and abundantly in summer in that part of the state south of the Arkansas River. In 1961, in an attempt to find out more about the ecology of the species in Kansas, I made several trips to parts of the […]

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Wild Birds in City Parks

Wild Birds in City Parks – Being hints on identifying 145 birds, prepared primarily for the spring migration in Lincoln Park, Chicago. The object of this little book is to furnish those who may be interested in making the acquaintance of wild birds with a simple letter of introduction to 145 birds, the majority of […]

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What Bird is That?

AS Curator of the Department of Birds of the American Museum of Natural History I have had exceptional facilities for the arrangement of collections designed to give students a comprehensive view of local bird-life without confusing them with unnecessary details. Among other aids to this end a collection of ‘Birds Found within 50 Miles of […]

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Territory in Bird Life

In his _Manual of Psychology_ Dr Stout reminds us that “Human language is especially constructed to describe the mental states of human beings, and this means that it is especially constructed so as to mislead us when we attempt to describe the working of minds that differ in a great degree from the human.” The […]

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Summer Birds From the Yucatan Peninsula

Because its unique geographical location and ecological setting supports a rich and varied avifauna, the Yucatán Peninsula has received considerable attention by ornithologists. The most valuable contribution is Paynter’s “The Ornithogeography of the Yucatán Peninsula” (1955a), an authoritative study of the composition, distribution, and origin of the avifauna of the region. His work contains a […]

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A Quantitative Study of the Nocturnal Migration of Birds

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. Bird migration for the most part, whether it be by day or by night, is an unseen movement. That night […]

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Argentine Ornithology, Volume II

This volume contains our account of all the Orders of Birds met with within the Argentine Republic except the Passeres, which were treated of in the First Volume. It also comprises an Appendix and Index, and completes the work. The Introduction is issued with this, but is intended to be bound up with the first […]

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Argentine Ornithology, Volume I

The present volume contains an account of the Passeres of the Argentine Republic, which, as at present known, number some 229 species. The second volume, which it is hoped will be ready in the course of next year, will be devoted to the history of the remaining Orders of Birds, and will also contain the […]

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