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Management of Northern Prairies and Wetlands for the Conservation of Neotropical Migratory Birds

Table 4


Table 4.  Number of indicated pairs of the 20 most common grassland bird species observed on 128 randomly selected quarter-sections in North Dakota in 1967, 1992, and 1993.
Species Number of indicated pairs
1967 1992 1993
Horned Lark 1,253 1,093 1,661
Chestnut-collared longspur 1,129 602 755
Red-winged blackbird 945 597 710
Western meadowlark 926 487 646
Brown-headed cowbird 460 643 610
Lark bunting 604 679 298
Grasshopper sparrow 301 402 449
Mourning dove 292 339 337
Savannah sparrow 516 134 276
Clay-colored sparrow 364 261 289
Vesper sparrow 195 224 393
Eastern kingbird 167 321 245
Bobolink 216 186 172
Western kingbird 103 194 177
Common yellowthroat 134 91 175
American goldfinch 106 146 132
Baird's sparrow 170 77 125
Killdeer 105 112 142
Upland sandpiper 63 106 89
Wilson's phalarope 73 30 36

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