Northern Prairie Wildlife Research Center
| Table 4. Number of Indicated Pairs of Most Common Bird Species Counted in Conservation Reserve Program Fields, by Year, Listed In Order of Decreasing Abundance. | |||
| Species | Number of pairs in | ||
| 1990 | 1991 | 1992 | |
| Grasshopper Sparrow | 1018.0 | 1291.0 | 1427.0 |
| Lark Bunting | 1073.5 | 1368.5 | 1211.5 |
| Red-winged Blackbird | 624.0 | 1222.0 | 1233.5 |
| Western Meadowlark | 389.0 | 465.0 | 459.5 |
| Horned Lark | 422.0 | 347.5 | 326.5 |
| Savannah Sparrow | 316.5 | 337.0 | 422.0 |
| Brown-headed Cowbird | 189.0 | 432.5 | 319.0 |
| Bobolink | 158.5 | 319.5 | 402.5 |
| Clay-colored Sparrow | 178.0 | 318.5 | 304.0 |
| Common Yellowthroat | 103.5 | 285.5 | 372.5 |
| Eastern Kingbird | 90.5 | 139.5 | 138.0 |
| Dickcissel | 88.0 | 99.0 | 171.5 |
| Western Kingbird | 83.0 | 117.0 | 155.5 |
| Sedge Wren | 139.0 | 136.0 | 80.0 |
| Mourning Dove | 87.0 | 98.0 | 152.5 |
| Barn Swallow | 92.0 | 102.5 | 117.5 |
| Baird's Sparrow | 74.5 | 103.5 | 129.0 |
| Chestnut-collared Longspur | 140.0 | 100.0 | 28.5 |
| Vesper Sparrow | 26.0 | 52.0 | 60.5 |
| Ring-necked Pheasant | 21.0 | 61.5 | 3.0 |
| Upland Sandpiper | 30.0 | 49.0 | 36.5 |
| Song Sparrow | 10.5 | 24.0 | 68.0 |
| Sharp-tailed Grouse | 41.0 | 25.0 | 31.0 |
| Yellow-headed Blackbird | 51.0 | 21.5 | 20.5 |
| American Goldfinch | 29.0 | 47.0 | 12.0 |
| Cliff Swallow | 37.0 | 25.0 | 12.0 |
| Killdeer | 20.5 | 35.0 | 5.0 |
| Northern Harrier | 14.0 | 20.5 | 15.5 |
| Mallard | 12.0 | 13.0 | 9.0 |
| Gray Partridge | 12.0 | 14.0 | 3.0 |
| Yellow Warbler | 1.5 | 5.0 | 16.5 |
| Marbled Godwit | 8.5 | 11.5 | 0.0 |
| Brown Thrasher | 11.5 | 5.0 | 2.0 |
| Short-eared Owl | 2.0 | 9.0 | 7.0 |
| Swainson's Hawk | 5.0 | 3.0 | 6.5 |
| Tree Swallow | 6.0 | 3.0 | 5.0 |
| Wilson's Phalarope | 5.0 | 7.5 | 1.0 |
| American Robin | 6.0 | 4.0 | 2.5 |
| Gadwall | 7.0 | 2.5 | 3.0 |
| Ring-billed Gull | 9.0 | 0.0 | 3.0 |
| Willet | 5.5 | 6.5 | 0.0 |
| Rough-winged Swallow | 5.0 | 6.5 | 0.0 |
| Red-tailed Hawk | 2.0 | 1.5 | 7.0 |
| Blue-winged Teal | 4.0 | 5.5 | 0.0 |
| Black Tern | 2.0 | 7.0 | 0.0 |
| Le Conte's Sparrow | 0.0 | 1.0 | 8.0 |
| Northern Flicker | 1.0 | 1.0 | 7.0 |
| Bank Swallow | 0.0 | 6.0 | 1.0 |
| Brewer's Blackbird | 0.0 | 5.0 | 2.0 |
| Chipping Sparrow | 1.0 | 6.0 | 0.0 |
| Lark Sparrow | 4.0 | 0.0 | 2.0 |
| Orchard Oriole | 4.5 | 1.0 | 0.0 |
| American Kestrel | 3.0 | 1.0 | 1.0 |
| Franklin's Gull | 5.0 | 0.0 | 0.0 |
| Sharp-tailed Sparrow | 4.0 | 1.0 | 0.0 |
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/birds/crphab/table4.htm
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