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The Conservation Reserve Program

Good For Birds of Many Feathers

Table 1


Population trends of birds that breed in cropland or CRP fields, as determined from Breeding Bird Surveys during 1966-90, in the central region of the United States between the Rocky Mountains and the Mississippi River. Species are listed in order of decreasing abundance within groups.

Species more common in cropland than in CRP fields

 Species                        Population trend         
 Horned lark                    stable                          
 Chestnut-collared longspur     stable                          
 Vesper sparrow                 stable                          
 Killdeer                       stable

Species less common in cropland than in CRP fields

  Species                       Population trend         
  Lark bunting                  declined                       
  Grasshopper sparrow           declined                       
  Red-winged blackbird          stable                         
  Westem meadowlark             stable                         
  Savannah sparrow              stable                         
  Brown-headed cowbird          stable                         
  Clay-colored sparrow          declined                       
  Bobolink                      declined                       
  Common yellowthroat           stable                         
  Sedge wren                    stable                         
  Eastern kingbird              stable                         
  Westem kingbird               increased                      
  Barn swallow                  declined                       
  Dickcissel                    declined                       
  Mourning dove                 stable                         
  Baird's sparrow               declined

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