Renesting in adult and yearling blue grouse

Sopuck, Lennart; Zwickel, Fred C.

doi:10.1139/z83-038

Cited by 10 publications

(6 citation statements)

References 5 publications

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“…In addition, the amount of parental investment in the first clutch did not appear to determine whether a hen would initiate a second clutch. The high percentage of ruffed grouse hens renesting in our study is more typical of steppe grouse according to Bergerud (1988: 597), as the percentage of forest grouse hens that usually renest is relatively low, e.g., blue grouse 25% (Sopuck & Zwickel 1983), and spruce grouse Dendragapus canadensis 10% (Ellison 1974). However, Willebrand (1992) reported a renesting frequency of 53% among radio‐marked black grouse Tetrao tetrix.…”

Section: Discussionsupporting

confidence: 56%

Natality of ruffed grouse Bonasa umbellus in central Wisconsin, USA

1996

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Radio‐marked female ruffed grouse Bonasa umbellus were monitored in central Wisconsin, USA, during 1983–1988 to estimate nesting rates (the percentage of hens that initiate a clutch), clutch size, nest success, and the prevalence and success of renests. All 23 radio‐marked females initiated a clutch, 22 completed a first clutch; the remaining hen was killed by a predator during laying. Mean clutch size of first nests was 11.0 ± 0.5 eggs (range = 7–13). Five of nine (56%) hens attempted to renest with a mean clutch size of 7.4 ± 1.3 eggs (range = 6–9). Mean nest success was 46%; 43% for yearlings and 60% for adults. First nests produced the large majority of eggs that hatched (86.1%) compared to renests (13.9%). Productivity was estimated at 5.8 chicks hatched for each hen alive on 20 April, the mean date of the first egg laid.

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Section: Discussionsupporting

confidence: 56%

Natality of ruffed grouse Bonasa umbellus in central Wisconsin, USA

1996

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“…This suggested that additional factors were responsible for different renesting rates between age classes. Nutrient reserves may have accounted for differences in renesting rates of adult and yearling blue grouse (Sopuck and Zwickel 1983), but was similar in mean total plasma protein for adult and yearling sage-grouse hens during our study. Other factors that could explain differences in renesting rates between adults and yearlings include social and physiological constraints and breeding experience (Zwickel 1977;Hannon et al 1979Hannon et al , 1982Martin 1995).…”

Section: Discussionmentioning

confidence: 52%

“…However, Bergerud (1988) indicated that adult sage-grouse hens typically renested more often than yearlings. Adult blue grouse also exhibited higher renesting rates than yearlings (Sopuck and Zwickel 1983). Adult hens may have renested more readily than yearlings during our study because they nested earlier in the nesting season.…”

Section: Discussionmentioning

confidence: 64%

“…Schroeder (1997) reported that the number of days between start of incubation and loss of first nests tended to be greater for nonrenesting sage-grouse hens in Washington. In contrast, Sopuck and Zwickel (1983) reported that renesting by adult blue grouse (Dendragapus obscurus) was independent of nest age at time of loss. Connelly et al (1993) suggested that renesting attempts by sagegrouse could be restricted by quality and quantity of brood-rearing habitat.…”

Section: Discussionmentioning

confidence: 93%

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Total Plasma Protein and Renesting by Greater Sage-Grouse

Gregg

Dunbar

Crawford

et al. 2006

Journal of Wildlife Management

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Greater sage‐grouse (Centrocercus urophasianus) population declines have been attributed to reduced productivity. Although renesting by sage‐grouse may contribute significantly to annual productivity during some years, little information is available on this aspect of sage‐grouse reproductive ecology. We investigated the relationship between total plasma protein, age of hen, time of first nest initiation, and time of first nest loss on occurrence of renesting. We captured, assigned age, extracted blood, and radiomarked prelaying, female sage‐grouse on 4 study areas during 1999–2004. We monitored radiomarked females from mid‐April through June to identify period of nest initiation (early, mid, or late), nest loss (early or late), and renesting activity. We only considered hens that were available to renest (n = 143) for analysis, and we censored those that nested successfully or died during their first nest attempt. Depredation and abandonment accounted for 85% (122/143) and 15% (21/143) of the unsuccessful first nests, respectively. The proportion of hens renesting was 34% (48/143) across all study areas and years. Akaike's Information Criterion model selection indicated that occurrence of renesting varied by age, nest initiation period, nest loss period, and total plasma protein. The best model had low predictive power for any given hen (r2 = 0.296), but validation of the best model indicated that our predictor variables were important for distinguishing renesting status and likely explained substantial temporal and spatial variation in renesting rates. A greater proportion of adults than yearlings renested, and hens that nested early in the nesting season and lost nests early during incubation were the most likely to renest. Hens that renested had greater total plasma protein levels than non‐renesting hens independent of age, nest initiation period, and nest loss period. Because sage‐grouse depend on exogenous sources of protein for reproduction, land management practices that promote high‐quality, prelaying hen habitat could increase dietary protein intake and sage‐grouse renesting rates.

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“…The dataset used here for Alberta is probably representative; the overall median Julian hatch date (180) differed by only 1 day from that of a longer span of years in the same area (Smyth and Boag 1984). Hatch distributions are, of course, susceptible to distortion from renesting, often most common among adults (e.g., Sopuck and Zwickel 1983). Nest loss was high (Keppie 1982) and the proportion of adults greatest in Alberta (Keppie 1987b;unpublished Ontario data).…”

Section: Magnitude Of Synchronymentioning

confidence: 99%

Spruce grouse, a non-gregarious and sparsely distributed forest bird, shows synchronous nesting

Keppie¹

2000

Oecologia

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Hatch dates, densities, age-structure, and production rates were documented for female spruce grouse (Dendragapus canadensis) in Alberta, Ontario, and New Brunswick, Canada, over a total of 17 years during 1970-1990. Objectives of analyses were to measure the magnitude of synchrony of hatch dates at different densities of females in different areas, determine whether synchrony differs between adults and yearlings, determine whether adults might influence the time and synchrony with which yearlings hatch clutches, and determine whether mean production of juveniles into late summer varies across the span of hatch dates. Hatch date synchrony was substantial in all areas: on average, 67% of all clutches each year hatched within 6.5-8.8 days, within areas, similar to that among colonial avian species. The extent of synchrony was not correlated well with female density, in contrast to a general prediction from Darling's hypothesis for colonial species. Synchrony did not differ between yearlings and adults in all areas even though yearlings generally hatched clutches later than adults. Synchrony was not correlated well with an index of the magnitude of interaction between adults and yearlings, suggesting that adults had little if any effect on the timing of reproductive activity of yearlings. In contrast, median hatch dates of yearlings were 1-2 days earlier where adults were experimentally thinned than where adults were common. Production of juveniles into late summer did not vary across the span of hatch dates despite their synchronous temporal distribution, providing no evidence for an immediate adaptive value for synchronous nesting.

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Renesting in adult and yearling blue grouse

Cited by 10 publications

References 5 publications

Natality of ruffed grouse Bonasa umbellus in central Wisconsin, USA

Natality of ruffed grouse Bonasa umbellus in central Wisconsin, USA

Total Plasma Protein and Renesting by Greater Sage-Grouse

Spruce grouse, a non-gregarious and sparsely distributed forest bird, shows synchronous nesting

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