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Breeding Birds of the Platte River Valley


Table 8


Table 8. Population estimates among the most numerous breeding bird species in the Platte River valley.


                 Density          Major       Estimated      % of total     
               (pairs/km2)       Habitats     population     population
              Highest    mean               (prs. and HPD 
                                               interval) 

Species Grasshopper 22.0 10.7 1 301,000 9.65 sparrow (239,800-362,200) Western 18.5 10.2 1,2 287,000 9.20 meadowlark (251,300-323,300) House 140.5 8.7 8 244,000 7.82 sparrow (58,400-430,200) Common 100.0 7.8 8 221,000 7.08 grackle (157,100-285,300) Red-winged 243.2 6.7 9 191,000 6.12 blackbird (79,100-302,100) Lark bunting 12.0 5.3 7 149,000 4.77 (64,400-234,400) Brown-headed 57.0 5.1 4 145,000 4.65 cowbird (70,000-219,400) Chimney swift 84.2 4.9 8 138,000 4.42 (107,800-167,700) Eurasian 65.5 4.4 8 125,000 4.00 starling (33,300-216,900) Horned lark 7.2 4.3 1 123,000 3.94 (68,500-177,700) Western 69.5 3.9 4 111,000 3.56 kingbird (59,600-161,500) Dickcissel 19.2 3.8 6 109,000 3.49 (57,300-160,100) Mourning dove 44.5 3.2 3 92,000 2.95 (59,600-125,100) Barn swallow 9.2 2.5 5 72,000 2.31 (42,600-102,100) Northern 39.0 2.5 4 71,000 2.27 flicker (0-160,300) American 33.2 2.4 3 70,000 2.24 robin (0-159,700) Eastern 96.7 2.3 4 67,000 2.15 kingbird (36,800-97,600) Upland 8.2 2.0 2 59,000 1.89 sandpiper (28,700-88,700) Red-headed 111.0 1.9 4 53,000 1.70 woodpecker (9,900-96,800) Bobolink 7.7 1.8 2 53,000 1.70 (24,400-81,800) Northern 74.5 1.2 4 34,000 1.09 oriole (23,800-45,000) House wren 70.7 1.2 3 34,000 1.09 (26,900-41,800) Brown 9.5 1.1 3 32,000 1.02 thrasher (15,100-49,000) Killdeer 21.2 0.9 5 28,000 0.88 (13,700-41,700) Orchard 32.0 0.7 4 21,000 0.67 oriole (0-47,600) Common 71.2 0.6 5 18,000 0.56 yellowthroat (10,300-24,700) Lark sparrow 1.2 0.6 1 17,000 0.53 (1,900-31,200) Cliff swallow 81.2 0.5 5 15,000 0.47 (2,600-26,800) American 12.7 0.5 5 15,000 0.47 goldfinch (0-32,000) Ring-necked 2.0 0.5 2 14,000 0.46 pheasant (4,100-24,500) Yellow 32.2 0.5 5 14,000 0.46 warbler (5,100-23,200) Blue jay 9.2 0.4 3 11,000 0.36 (0-23,300) Common 0.7 0.4 1 11,000 0.36 nighthawk (0-26,200) Northern 14.2 0.3 3 10,000 0.30 bobwhite (0-19,500) Common crow 6.2 0.3 4 9,000 0.27 (0-21,800)
Major habitats include: 1) upland native prairie, 2) wet meadow, 3)lowland forest, 4) shelterbelt, 5) river channel islands, 6) alfalfa, 7) wheat, 8) residential, 9) natural basin wetlands.

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