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Controlling Blackbird Damage to Sunflower and Grain Crops in the Northern Great Plains

By

George M. Linz, Richard A. Dolbeer, James J. Hanzel, and Louis E. Huffman1

1George Linz and Richard Dolbeer work for the Denver Wildlife Research Center, a unit of the Animal and Plant Health Inspection Service (APHIS), Animal Damage Control program, in Fargo, ND, and Sandusky, OH, respectively. James Hanzel is with North Dakota State University's Crop and Weed Sciences Department, in Fargo, ND. Louis Hoffman is with APHIS, Animal Damage Control, in Bismarck, ND.

JPG-Picture of Flocking Blackbirds
Flocks of red-winged blackbirds, sometimes numbering in the tens of thousands, can destroy a grain field in a few days. (APHIS photo by David Bergman.)


This resource is based on the following source:

Linz, George M., R. A. Dolbeer, J. J. Hanzel, and L. E. Huffman.  1996.  
     Controlling blackbird damage to sunflower and grain crops in the 
     northern Great Plains.  United States Department of Agriculture, 
     Animal and Plant Health Inspection Service, Agriculture Infromation
     Bulletin No. 679.  15pp.
This resource should be cited as:
Linz, George M., R. A. Dolbeer, J. J. Hanzel, and L. E. Huffman.  1996.  
     Controlling blackbird damage to sunflower and grain crops in the 
     northern Great Plains.  United States Department of Agriculture, 
     Animal and Plant Health Inspection Service, Agriculture Infromation
     Bulletin No. 679.  15pp.  Jamestown, ND: Northern Prairie Wildlife
     Research Center Online.  
     http://www.npwrc.usgs.gov/resource/birds/blkbird/index.htm
     (Version 16JUL97).

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