The Incidence of Nest Parasitism by the Brown-Headed Cowbird (Molothrus ater) on Roadside Nesting Birds in Nebraska

Hergenrader, Gary L.

doi:10.2307/4082452

Cited by 19 publications

(12 citation statements)

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“…We documented an average brood parasitism rate of 28% for [2001][2002]. This percentage was similar to a 27% parasitism rate of red-winged blackbirds along grassy waterways in Iowa (Bryan and Best, 1994), but generally lower than has been documented in other roadside studies (Hergenrader, 1962;Linz and Bolin, 1982;Camp and Best, 1994). The abundance of brown-headed cowbirds is unknown in studies that focused solely on nesting species (Hergenrader, 1962;Warner, 1992;Camp and Best, 1994).…”

Section: Discussion Species Abundancementioning

confidence: 58%

“…For example, 92% of the nests in central Illinois and 74% in central Iowa were red-winged blackbird nests (Warner, 1992;Camp and Best, 1994). Much lower percentages for red-winged blackbirds, however, were recorded in eastern and south central Nebraska (34%) and north central Oklahoma (16%), with red-winged blackbirds still the most abundant nesting species (Hergenrader, 1962;Shochat et al, 2005).…”

Section: Discussion Species Abundancementioning

confidence: 96%

“…In the central regions of the U.S., red-winged blackbirds are important nest hosts of brown-headed cowbirds, thus they can be closely associated during the reproductive season (Hergenrader, 1962;Lowther, 1993). Other than an unidentified sparrow nest, brood parasitism by brown-headed cowbirds was exclusive to red-winged blackbirds.…”

Section: Discussion Species Abundancementioning

confidence: 99%

“…Indeed, in nearly all published literature involving roadside surveys that assessed avian use or nesting, red-winged blackbirds were the most numerous species (Hergenrader, 1962;Warner, 1992;Camp and Best, 1993;Camp and Best, 1994;Shochat , 2005). In our surveys the brown-headed cowbird was the second most abundant species for the 2 y combined, although there was large variation in density between years.…”

Section: Discussion Species Abundancementioning

confidence: 99%

“…Research on avian use of roadside right-of-ways (hereafter, roadsides) has been conducted mostly in rural areas of central Illinois, central Iowa, Nebraska and Oklahoma (Hergenrader, 1962;Warner, 1992;Camp and Best, 1993;Camp and Best, 1994;Shochat et al, 2005). In these studies most birds were upland and grassland species.…”

Section: Introductionmentioning

confidence: 99%

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Avian Use of Rural Roadsides with Cattail (Typha spp.)

Safratowich

Linz²,

Bleier

et al. 2008

Am Midl Nat

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ABSTRACT.-We surveyed 30 roadsides in North Dakota's Prairie Pothole Region for birds and active nests between May and July 2001-2002. Each roadside transect was 1608 m and had $200 linear meters of standing cattail (Typha spp.). We recorded 45 bird species; four species of Icteridae dominated the avifauna. Red-winged blackbirds (Agelaius phoeniceus) were both the most abundant species and most abundant nester, averaging 53 birds/10 ha (SE 5 7.7) and 30 nests/10 ha (SE 5 9.7). Among non-icterid species, song sparrow (Melospiza melodia) and common yellowthroat (Geothlypis trichas) ranked first and second consecutively in 2001 and 2002. Canonical correspondence analyses of species compositions indicated that species abundance was related to two roadside variables, length and water depth of cattail stands. Cattails added habitat diversity and acceptable conditions for wetland-dwelling avian species not typically found in rural roadsides outside of the Prairie Pothole Region. We documented use of roadsides by three species of grassland birds of national or regional conservation concern. Roadsides in North Dakota, although dominated mostly by generalist bird species with edge tolerance, may have some management potential for area-dependent grassland birds.

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Section: Discussion Species Abundancementioning

confidence: 58%

Section: Discussion Species Abundancementioning

confidence: 96%

Section: Discussion Species Abundancementioning

confidence: 99%

Section: Discussion Species Abundancementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Avian Use of Rural Roadsides with Cattail (Typha spp.)

Safratowich

Linz²,

Bleier

et al. 2008

Am Midl Nat

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Nest ecology of grassland passerines on road rights-of-way in central Illinois

Warner¹

1992

Biological Conservation

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Effects of Prairie Fragmentation on the Nest Success of Breeding Birds in the Midcontinental United States

Herkert

Reinking²,

Wiedenfeld³

et al. 2003

Conservation Biology

184

114

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Grassland fragmentation and habitat loss are hypothesized to be contributing to widespread grassland bird declines in North America due to the adverse effects of fragmentation on breeding bird abundance and reproductive success. To assess the effects of fragmentation on the reproductive success of grassland birds, we measured rates of nest predation and brood parasitism for four species of birds ( Grasshopper Sparrow [Ammodramus savannaru], Henslow's Sparrow[Ammodramus henslowii], Eastern Meadowlark [ Sturnella magna], and Dickcissel [ Spiza Americana] ) in 39 prairie fragments ranging from 24 to>40,000 ha in size in five states in the mid‐continental United States. Throughout the region, nest‐predation rates were significantly influenced by habitat fragmentation. Nest predation was highest in small (<100 ha ) and lowest in large ( >1000 ha ) prairie fragments. Rates of brood parasitism by Brown‐headed Cowbirds ( Molothrus ater ), however, were not consistently related to fragment size and instead were more strongly related to regional cowbird abundance, being significantly higher in regions with high cowbird abundance. Differences in nest‐predation rates between large fragments ( 54–68% of all nests lost to predators ) and small fragments ( 78–84% lost to predators ) suggest that fragmentation of prairie habitats may be contributing to regional declines of grassland birds. Maintaining grassland bird populations, therefore, may require protection and restoration of large prairie areas.

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The Incidence of Nest Parasitism by the Brown-Headed Cowbird (Molothrus ater) on Roadside Nesting Birds in Nebraska

Cited by 19 publications

References 0 publications

Avian Use of Rural Roadsides with Cattail (Typha spp.)

Avian Use of Rural Roadsides with Cattail (Typha spp.)

Nest ecology of grassland passerines on road rights-of-way in central Illinois

Effects of Prairie Fragmentation on the Nest Success of Breeding Birds in the Midcontinental United States

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