Macrohabitat Effects on Summer Survival, Movements, and Clutch Success of Northern Bobwhite in Kansas

Taylor, John S.; Church, Kevin E. M.; Rusch, Donald H.; Cary, John R.

doi:10.2307/3802657

Cited by 42 publications

(34 citation statements)

References 30 publications

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“…Similar results were reported for other bobwhite populations (Burger et al 1995;Taylor and Burger 1997;Rader et al 2007;Mueller et al 1999;Taylor et al 1999).…”

Section: Nesting Performancessupporting

confidence: 90%

Factors influencing reproductive performance of northern bobwhite in South Florida

Rolland

Hostetler

Hines³

et al. 2010

Eur J Wildl Res

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Reproductive success is a critical component of individual fitness, and also an important determinant of growth rates of populations characterized by early maturity and high fecundity. We used radiotelemetry data collected during 2003-2008 to estimate reproductive parameters in a declining northern bobwhite (Colinus virginianus) population in South Florida, and to test hypotheses regarding factors influencing these parameters. The overall clutch size was 12.10±0.22, but females laid more eggs in their first clutch (12.43±0.24) than in subsequent clutches (10.19± 0.53) within a nesting season. Daily nest survival was higher for first (0.966±0.003) than subsequent nests (0.936±0.011). Hatchability (proportion of laid eggs that hatched conditional upon nest survival to hatching) was 0.853±0.008, but was higher for nests incubated by females (0.873±0.009) than those incubated by males (0.798±0.018). The proportion of individuals attempting a second nest was 0.112±0.024 and 0.281±0.040 when the first nest was successful and failed, respectively. Hatchability was lower when the nesting habitat was burned the previous winter. We found no evidence that food strip density (a management practice to provide supplemental food) influenced any of the reproductive parameters. Mean summer temperature affected hatchability, nest survival, and proportion of nests incubated by males. Overall, the reproductive output in our study population was lower than that reported for most other bobwhite populations, indicating that low reproductive performance may have contributed to bobwhite population declines in our study site. These results suggest that current management practices, particularly those related to habitat and harvest management, need careful evaluation.

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“…Similar results were reported for other bobwhite populations (Burger et al 1995;Taylor and Burger 1997;Rader et al 2007;Mueller et al 1999;Taylor et al 1999).…”

Section: Nesting Performancessupporting

confidence: 90%

Factors influencing reproductive performance of northern bobwhite in South Florida

Rolland

Hostetler

Hines³

et al. 2010

Eur J Wildl Res

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“…Burger et al (1995) reported an incubation period nest survival of 0.437 6 0.039 in Missouri, similar to our estimate (0.454 6 0.010). Other Northern Bobwhite nesting studies have reported apparent nest success (e.g., DeVos and Mueller 1993, Suchy and Munkel 1993a, Taylor et al 1999b. Apparent nest success overestimates nest survival (Mayfield 1961, Johnson 1979), but apparent nest success is less biased in Northern Bobwhite studies because most nests are found at a similar stage of incubation .…”

Section: Discussionmentioning

confidence: 95%

“…We placed a small flag 10-15 m from the suspected nest site and visually confirmed nest presence once the incubating adult was located distant from the site (Burger et al 1995, Taylor et al 1999b). Suspected incubating adults were not intentionally flushed to minimize nest abandonment.…”

Section: Methodsmentioning

confidence: 99%

Reproduction and Microhabitat Selection in a Sharply Declining Northern Bobwhite Population

Collins¹,

Williams²,

Castelli³

2009

The Wilson Journal of Ornithology

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“…Annual home ranges were estimated for birds that had ≥30 radiolocations spanning at least 3 months in each season. The literature suggests that the number of locations used to estimate home ranges in our study is adequate (Haines et al 2004;Hiller et al 2007;Taylor et al 1999b) and also reflects a trade-off between the number of radiolocations per bird as compared to monitoring a large number of birds. On average, individual birds were monitored for 110.52±5.29/ days/year; the average number of locations was 37.90±0.49 (Table 1).…”

Section: Home Range Sizesmentioning

confidence: 99%

Patterns of space and habitat use by northern bobwhites in South Florida, USA

et al. 2010

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The manner by which animals use space and select resources can have important management consequences. We studied patterns of habitat selection by northern bobwhites (Colinus virginianus) on Babcock-Webb Wildlife Management Area, Charlotte County, Florida and evaluated factors influencing the sizes of their home ranges. A total of 1,245 radio-tagged bobwhites were monitored for 19,467 radio days during 2002-2007. The mean (±1 SE) annual home range size, estimated using the Kernel density method, was 88.43 (±6.16) ha and did not differ between genders. Winter home ranges of bobwhites (69.27±4.92 ha) were generally larger than summer home ranges (53.90±4.93 ha). Annual and winter home ranges were smaller for bobwhites whose ranges contained food plots compared to those that did not; however, the presence of food plots did not influence summer home ranges. We used distance-based methods to investigate habitat selection by bobwhites at two scales: selection of home ranges within the study site (second-order selection) and selection of habitats within home ranges (third-order selection). Across both scales, bobwhites generally preferred food plots and dry prairie habitat and avoided wet prairies and roads. This pattern was generally consistent between genders and across years. Our data indicate that management practices aimed at increasing and maintaining a matrix of food plots and dry prairie habitat would provide the most favorable environment for bobwhites.

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Macrohabitat Effects on Summer Survival, Movements, and Clutch Success of Northern Bobwhite in Kansas

Cited by 42 publications

References 30 publications

Factors influencing reproductive performance of northern bobwhite in South Florida

Factors influencing reproductive performance of northern bobwhite in South Florida

Reproduction and Microhabitat Selection in a Sharply Declining Northern Bobwhite Population

Patterns of space and habitat use by northern bobwhites in South Florida, USA

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