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

Warner, Richard E.

doi:10.1016/0006-3207(92)90707-t

Cited by 43 publications

(34 citation statements)

References 15 publications

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“…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). These studies did reinforce the status of red-winged blackbirds as a very abundant roadside-nesting species.…”

Section: Discussion Species Abundancesupporting

confidence: 72%

“…These studies did reinforce the status of red-winged blackbirds as a very abundant roadside-nesting species. 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: 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 Abundancesupporting

confidence: 72%

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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“…It may reduce height and cover of herbaceous vegetation, destroy active nests, kill nestlings and fledglings, cause nest abandonment, and increase nest exposure and predation levels (Bollinger et al 1990). Studies on grasshopper sparrow have indicated higher densities and nest success in areas not mowed until after July 15 (Shugaart and James 1973;Warner 1992). Grasshopper sparrows are vulnerable to early mowing of fields, while light grazing, infrequent and post-season burning or mowing can be beneficial (Vickery 1996).…”

Section: Mowing/hayingmentioning

confidence: 99%

Appendix 1: Assessment tools

Raghavan¹,

Patel²

2005

Learning Disabilities and Mental Health

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Nightjars, rabbits, and foxes interact on unpaved roads: spatial use of a secondary prey in a shared‐predator system

et al. 2017

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Citation: Camacho, C., P. Saez-Gomez, J. Potti, and J. M. Fedriani. 2017. Nightjars, rabbits, and foxes interact on unpaved roads: spatial use of a secondary prey in a shared-predator system. Ecosphere 8(1):e01611. 10.1002/ecs2.1611Abstract. Linear developments, such as roads and firebreaks, can increase encounter rates between predator and prey, which could affect predator-prey interactions and community dynamics. However, the extent to which prey responses at the interface between natural and anthropogenic habitats may be compared to those at the interface between natural habitats is unclear. Here, we used a shared-predator system to investigate the spatial response of red-necked nightjars (Caprimulgus ruficollis) to changing predation risk on roads, measured as the abundance of red foxes (Vulpes vulpes), and their primary prey (rabbits, Oryctolagus cuniculus). Because all three species coexist closely on unpaved roads in Doñana National Park (Spain), we predicted that nightjars would experience increased predation risk during periods of high fox and low rabbit abundances. Birds could then modify their space use at a broad scale by moving away from risky unpaved roads or, at a finer scale, by seeking foraging microsites facilitating escape from attacks. Between 2011 and 2012, mean rabbit abundance on roads increased by 50%, and fox abundance decreased by 80%, indicating a substantial decrease in predation risk for nightjars. Unexpectedly, nightjar occurrence on roads did not increase as a consequence of the decrease in fox predation risk. However, nightjars foraging on roads became less apprehensive in their use of linear strips of roadside cover, which is known to function as a physical barrier against fox attacks. Specifically, under high predation risk, most nightjars perched on the ground nearby (<15 cm) tall (>150 cm) vegetation, whereas when predation risk decreased, they shifted to more exposed microsites near shorter (<1 m) stands, but rarely close to cover (>45 cm). Nightjars' preference for areas of high predator abundance strongly suggests that flexible microhabitat selection allows them to manage the overall predation risk independently of predator abundance. Our results highlight the importance of linear developments in determining risk exposure and prey use of apparently dangerous habitats and thus may contribute to a better understanding of risky behaviors of prey.

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

Cited by 43 publications

References 15 publications

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

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

Appendix 1: Assessment tools

Nightjars, rabbits, and foxes interact on unpaved roads: spatial use of a secondary prey in a shared‐predator system

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