Northern Prairie Wildlife Research Center
| 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 |
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/habitat/neobird/table4.htm
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