Parental quality and egg size affect chick survival in a precocial bird, the lapwing Vanellus vanellus

Blomqvist, Donald; Johansson, Olof; Götmark, Frank

doi:10.1007/s004420050128

Cited by 135 publications

(113 citation statements)

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“…Reid and Boersma (1990) found that higher-quality Magellanic Penguins (Spheniscus magellanicus) tended to have larger eggs that provided greater fitness because of increases in early chick survival. Blomqvist et al (1997) reported a similar result in the Northern Lapwing.…”

Section: Discussionsupporting

confidence: 61%

“…This requires a female to give up a large proportion of her body mass in a relatively short period of time, which can cause an energetic strain (Monaghan and Nager 1997). However, it will likely improve her fitness, as it has been shown in many shorebird species that larger eggs produce larger chicks (Ricklefs 1984), and in the Charadriiformes larger chick size has been linked to improved chick survival (Parsons 1970, Blomqvist et al 1997, Dinsmore 2008.…”

Section: Inversión En El Tamaño Del Huevo En Un Ave Con Incubación Unmentioning

confidence: 99%

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Egg-Size Investment in a Bird with Uniparental Incubation by Both Sexes

Skrade

Dinsmore

2013

The Condor

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The Mountain Plover (Charadrius montanus) has an uncommon parental care system in which males and females tend separate nests. To improve their fitness in this system, females have the opportunity to allocate their reproductive investment to male-tended nests and their own nests differently. To examine investment we measured dimensions of plover eggs in Phillips County, Montana, and calculated their volumes. We modeled possible differences in egg volume in male-and female-incubated nests in relation to the effects of sex of the incubating adult, Julian day of nest initiation, and drought conditions. We measured >1000 eggs from 194 nests tended by 131 females and from 213 nests of 148 males. Male-and female-incubated eggs had similar mean volumes (13.20 versus 13.17 cm3, respectively) but differed significantly across the breeding season. The eggs in female-incubated nests tended to be larger than those in male-incubated nests early in the breeding season but were smaller as the season progressed, while the volume of male-incubated eggs peaked in the middle of the season. Egg volumes were affected by drought conditions, being larger during the driest periods of this study. Volumes within a nest were similar and were not influenced by the age of the incubating adult. Larger eggs tended to produce larger chicks. The similarity in the size of Mountain Plover eggs, even between male-and female-incubated nests and under different environmental conditions, provides evidence for stability of this uncommon system of parental care. KeywordsCharadrius montanus, egg size, maternal investment, Mountain Plover, uniparental care This article is available at Iowa State University Digital Repository: http://lib.dr.iastate.edu/nrem_pubs/37BioOne sees sustainable scholarly publishing as an inherently collaborative enterprise connecting authors, nonprofit publishers, academic institutions, research libraries, and research funders in the common goal of maximizing access to critical research. Egg-Size Investment in a Bird with Uniparental Incubation by Both SexesSource: The Condor, 115 (3) BioOne (www.bioone.org) is a nonprofit, online aggregation of core research in the biological, ecological, and environmental sciences. BioOne provides a sustainable online platform for over 170 journals and books published by nonprofit societies, associations, museums, institutions, and presses.Your use of this PDF, the BioOne Web site, and all posted and associated content indicates your acceptance of BioOne's Terms of Use, available at www.bioone.org/page/terms_of_use.Usage of BioOne content is strictly limited to personal, educational, and non-commercial use. Commercial inquiries or rights and permissions requests should be directed to the individual publisher as copyright holder. 508The Abstract. The Mountain Plover (Charadrius montanus) has an uncommon parental care system in which males and females tend separate nests. To improve their fitness in this system, females have the opportunity to allocate their reproductive investment to ma...

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Section: Discussionsupporting

confidence: 61%

Section: Inversión En El Tamaño Del Huevo En Un Ave Con Incubación Unmentioning

confidence: 99%

Egg-Size Investment in a Bird with Uniparental Incubation by Both Sexes

Skrade

Dinsmore

2013

The Condor

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“…Peso do ovo (kg) 1,34±0,11 Peso vivo (kg) 0,79±0,16 Tarso-metatarso direito (cm) 7,03±0,86 Tarso-metatarso esquerdo (cm) 6,99±0,86 Cernelha (cm) 21,86±3,00 alimentares (BLOMQVIST et al, 1997;REED et al, 1999). Se tal estratégia é válida para avestruzes, ainda não existem evidências.…”

Section: Características Morfométricas Médiaunclassified

“…As dimensões do ovo (diâmetro maior e menor) são fortemente correlacionadas com o peso (BLOMQVIST et al, 1997), sendo este último recomendado como medida de tamanho do ovo para aves ratitas (Struthioniformes), por ser um método rápido e confiável (DI CAMPOS et al, 2005). A maior parte do peso do ovo, logo após a postura, deve-se à quantidade de albúmen e à proporção de água (FINKLER et al, 1998;DZIALOWSKI & SOTHERLAND, 2004).…”

Section: Introductionunclassified

“…Em aves precociais, os filhotes estão em um estágio de desenvolvimento avançado ao eclodirem, embora possam depender do cuidado parental por um curto período. A independência do filhote precocial é, parcialmente, conseqüência de um aporte completo de nutrientes durante a fase embrionária, cujas reservas são proporcionais ao tamanho do ovo (BLOMQVIST et al, 1997;REED et al, 1999). Por conseguinte, existem fortes evidências de que o tamanho dos filhotes recém-eclodidos esteja relacionado à capacidade de sobrevivência dos mesmos (WILLIAMS, 1994;LINDSTRÖM, 1999).…”

Section: Introductionunclassified

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O tamanho do ovo não prediz o desenvolvimento físico de avestruzes (Struthio camelus) aos quinze dias de idade

Alvarenga

Boere

2008

Cienc. Rural

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Sex‐biases in distribution and resource use at different spatial scales in a migratory shorebird

Alves

Gunnarsson

Potts³

et al. 2013

Ecology and Evolution

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In migratory species, sexual size dimorphism can mean differing energetic requirements for males and females. Differences in the costs of migration and in the environmental conditions occurring throughout the range may therefore result in sex-biases in distribution and resource use at different spatial scales. In order to identify the scale at which sexual segregation operates, and thus the scale at which environmental changes may have sex-biased impacts, we use range-wide tracking of individually color-ringed Icelandic black-tailed godwits (Limosa limosa islandica) to quantify sexual segregation at scales ranging from the occupation of sites throughout the non-breeding range to within-site differences in distribution and resource use. Throughout the range of this migratory shorebird, there is no evidence of large-scale sex differences in distribution during the non-breeding season. However, the sexes differ in their selection of prey types and sizes, which results in small-scale sexual segregation within estuaries. The scale of sexual segregation therefore depends on the scale of variation in resource distribution, which, in this system, is primarily within estuaries. Sexual segregation in within-site distribution and resource use means that local-scale anthropogenic impacts on estuarine benthic prey communities may disproportionately affect the sexes in these migratory shorebirds.

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Parental quality and egg size affect chick survival in a precocial bird, the lapwing Vanellus vanellus

Cited by 135 publications

References 34 publications

Egg-Size Investment in a Bird with Uniparental Incubation by Both Sexes

Egg-Size Investment in a Bird with Uniparental Incubation by Both Sexes

O tamanho do ovo não prediz o desenvolvimento físico de avestruzes (Struthio camelus) aos quinze dias de idade

Sex‐biases in distribution and resource use at different spatial scales in a migratory shorebird

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