Investigation of the Economic Status of Non Game Birds
Investigation of the Economic Status of Non Game Birds
H C Harold Child Bryant
The book Investigation of the Economic Status of Non Game Birds was written by author H C Harold Child Bryant Here you can read free online of Investigation of the Economic Status of Non Game Birds book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Investigation of the Economic Status of Non Game Birds a good or bad book?
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) shows the localities in which col- lections have been made. The localities from which complete series were made and those localities from which incomplete series have been obtained are indicated. A correct determination of the economic status of a bird is largely dependent on a knowledge of its food. The food of a bird can be LEGEND O Complete series "4" Incomplete series FIG. 3. Map of California showing localities from which non- game birds have been collected for stomach examination. EXAMI...NATION OF STOMACH CONTENTS. Roughly determined by watching the bird in the field. The most dependable data concerning the food of most birds, however, is obtained by examining the contents of the bird's stomach. Consequently stomach examination has been largely depended upon to furnish needed evidence as to the food of the birds under investigation. In the examination of the stomach contents a Zeiss binocular has been used. After the contents has been carefully removed from the stomach and placed on a glass plate, the binocular is used in sorting, counting, 11 and identifying the different kinds of food.
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