Reproductive Strategies, Success, and Mating Systems of Northern Bobwhite in Missouri

Burger, L. Wes; Ryan, Mark R.; Dailey, Thomas V.; Kurzejeski, Eric W.

doi:10.2307/3802447

Cited by 86 publications

(64 citation statements)

References 14 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: 91%

“…We used logistic regression models to analyze variations in the proportion of nests incubated by males. (7) Brood survival is the proportion of chicks surviving the brood-rearing period, from hatching to 21 days (Burger et al 1995). Twenty-one days after hatching, the radio-tagged parents were flushed with their brood, and the number of chicks was recorded.…”

Section: Data Analysesmentioning

confidence: 99%

“…Females may lay up to three clutches in a nesting season (e. g., Burger et al 1995;Cox et al 2005). These characteristics of uniparental incubation (but biparental brood rearing) and multiple clutches combined with a large clutch size give them a high reproductive potential (e.g., Burger et al 1995).…”

Section: Introductionmentioning

confidence: 99%

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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: 91%

Section: Data Analysesmentioning

confidence: 99%

See 1 more Smart Citation

Factors influencing reproductive performance of northern bobwhite in South Florida

Rolland

Hostetler

Hines³

et al. 2010

Eur J Wildl Res

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“…Little is understood as to how decisions are made about which parent incubates, but it has been suggested that it may be related to an unequal sex ratio limiting breeding opportunities for males unless they increase participation in the nesting process (Burger et al 1995). Bobwhites also are persistent renesters, indeterminate layers, and may have multiple broods during a breeding season.…”

mentioning

confidence: 99%

“…The Northern Bobwhite (Colinus virginianus) provides a unique study system since one adult representing either sex may incubate a particular nest, but only one of them typically will incubate an individual nest, with each having different reproductive costs at stake should the nest fail (Burger et al 1995). Little is understood as to how decisions are made about which parent incubates, but it has been suggested that it may be related to an unequal sex ratio limiting breeding opportunities for males unless they increase participation in the nesting process (Burger et al 1995).…”

mentioning

confidence: 99%

Partial Depredations on Northern Bobwhite Nests

Ellis‐Felege¹,

Miller²,

Burnam³

et al. 2012

Video Surveillance of Nesting Birds

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Demographic response of Northern Bobwhite to hardwood canopy management in pine savanna

2022

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Disruption of historic fire regimes has led to the expansion of hardwoods into pine savanna ecosystems in the southeastern United States. Management strategies that reduce mature mesophytic oaks in pine savanna that was previously fire suppressed may help restore understory vegetation and positively affect understory birds. Many private lands in the Southeast are managed intentionally for the Northern Bobwhite (Colinus virginianus; hereafter bobwhite), a species with high cultural and economic importance to the region. Mechanical hardwood reduction is used to restore southeastern pine savanna and as a predation management tool to enhance populations of bobwhite although its utility has not been empirically tested. We measured the demographic response of bobwhite to a large-scale hardwood reduction using a before-after-controlimpact (BACI) study replicated at two properties in the Red Hills region of northern Florida, United States, that had a relatively low density of mature, mesophytic hardwoods and were already managed for bobwhite with 2-year fire return intervals, supplemental feeding, and meso-mammal control. We monitored reproduction at 561 nests and survival of 1529 adults tracked with radiotelemetry. In treated sites, mean daily nest survival was 0.98 and did not change following hardwood reduction. Reproductive effort declined each year (pre-and post-treatment; 2015-2018) in one treated site and varied relatively little in the other. At both treated sites, weekly adult survival decreased to 0.93-0.94 immediately following the treatment, then increased gradually but did not exceed pretreatment weekly survival (0.98) within 2-3 years following the treatment. Our results suggest hardwood reduction may not benefit bobwhite adult survival or productivity within 2-3 years of application on sites that are already managed intensively with prescribed fire, predator control, and supplemental feeding and that hardwoods in this system may not have direct negative impacts on understory birds. Further study is necessary to determine under what conditions hardwood reduction may be beneficial and whether other metrics such as chick survival or immigration are affected. Our study sites represent typical land management in the Red Hills region, and we

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Reproductive Strategies, Success, and Mating Systems of Northern Bobwhite in Missouri

Cited by 86 publications

References 14 publications

Factors influencing reproductive performance of northern bobwhite in South Florida

Factors influencing reproductive performance of northern bobwhite in South Florida

Partial Depredations on Northern Bobwhite Nests

Demographic response of Northern Bobwhite to hardwood canopy management in pine savanna

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