UNITED STATES DEPARTMENT OF AGRICULTURE 
BULLETIN No. 621 
Contribution from the Bureau of Biological Survey 
E. W. NELSON, Chief 
Washington, D. C. 
PROFESSIONAL PAPER. 
February 16, 1918 
THE CROW AND ITS RELATION 
TO MAN 
By 
E. R. KALMBACH, Assistant Biologist 
CONTENTS 
Page 
Introduction 1 
Systematic Position and Distribution of 
the Crow 2 
Life History 4 
Information from Correspondents ... 9 
Food Habits 10 
Distribution of Live-Stock Diseases . . 68 
Distribution of Seeds 68 
Page 
Natural Enemies 71 
Protection of Crops 73 
Legislation 80 
Summary 81 
Conclusion 85 
List of Items Identified in Stomachs . . . 8Q 
Index . , . SI 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1918 
