Factors affecting the cost of polygynous breeding for female Great Reed Warblers Acrocephalus arundinaceus

Urano, Eiichiro

doi:10.1111/j.1474-919x.1990.tb00282.x

Cited by 32 publications

(4 citation statements)

References 17 publications

(12 reference statements)

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“…Age is an important factor in improving the birds' breeding success (Krüger, 2005). Dyrcz (1986), Ezaki (1990), Urano (1990), and Hasselquist (1991, 1994) stated that the males fed the nestlings and protected the eggs and nests against predators during and after incubation. However, in our study, the female Great Reed Warblers in the 5 nests observed by camera were alone during and after incubation, and the nestlings were fed by the females.…”

Section: Discussionmentioning

confidence: 99%

Breeding ecology and behaviour of the Great Reed Warbler, Acrocephalus arundinaceus, in Poyrazlar Lake, Turkey

Uzun

Ayyildiz²,

Yilmaz³

et al. 2014

Turk J Zool

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Section: Discussionmentioning

confidence: 99%

Breeding ecology and behaviour of the Great Reed Warbler, Acrocephalus arundinaceus, in Poyrazlar Lake, Turkey

Uzun

Ayyildiz²,

Yilmaz³

et al. 2014

Turk J Zool

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“…comm.). Because nestling periods of primary and secondary broods of polygynous males often overlap, females mating with socially monogamous males usually receive significantly more male assistance during the nestling stage than females mating with polygynous males, with the latter having to share the parental activities of their mate with another female (or females) (Catchpole et al 1985;Dyrcz 1986;Urano 1990;Bensch & Hasselquist 1994;Sejberg et al 2000). In our study population, primary females start breeding Social Mating System and Nest Defence in the Great Reed Warbler A. Trnka & P. Prokop on average 9.2 d before secondary females.…”

Section: Study Site and Speciesmentioning

confidence: 99%

“…To test this, previous studies have mainly used nestling provisioning behaviour as an index for variations in paternal effort (e.g. Dyrcz 1986; Urano 1990; Sandell et al. 1996; Westerdahl et al.…”

Section: Introductionmentioning

confidence: 99%

“…To test this, previous studies have mainly used nestling provisioning behaviour as an index for variations in paternal effort (e.g. Dyrcz 1986;Urano 1990;Sandell et al 1996;Westerdahl et al 2000;Sejberg et al 2000;Kleindorfer et al 2001), thereby ignoring other components of realised male assistance. Socially polygynous males, however, may compensate for lower feeding assistance through the provision of high-level protection of nests from predators, which may be more costly than nestling provisioning, because defenders risk attracting other predators and they risk injury and the chance that they will not survive to breed again (e.g.…”

Section: Introductionmentioning

confidence: 99%

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Does Social Mating System Influence Nest Defence Behaviour in Great Reed Warbler (Acrocephalus arundinaceus) Males?

Trnka

Prokop

2010

Ethology

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In birds with biparental care, males and females often conflict over how much care to provide to their offspring and it may be substantially influenced by increased level of polygamy. In accordance with sexual conflict theory, males of socially polygynous bird species provide much less care to their nestlings than do males of most socially monogamous species. Most of previous studies, however, have used feeding behaviour as an index for variations in male parental care only. However, this may be skewed if polygynous males compensate for lower feeding assistance through the provision of other parental care such as protection of nests from predators. In this paper, we examine nest defence behaviour in the facultatively polygynous great reed warbler with respect to sex and type of social mating system. We recorded latency to the first arrival, distance from the predator and defensive reaction of each parent towards a human intruder. Socially polygynous males with two simultaneously active nests defended primary females’ nests less vigorously than socially monogamous males, whereas no differences were found between monogamous and primary females. Generally, however, they took a bigger role in nest defence than males in all cases. Our results support an idea that sexual conflict is driven by polygamy and that type of social mating system can influence nest defence behaviour of facultatively polygynous birds. This finding should be taken into consideration when studying nest defence parental care in polygynous mating systems.

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Factors affecting the cost of polygynous breeding for female Great Reed Warblers Acrocephalus arundinaceus

Cited by 32 publications

References 17 publications

Breeding ecology and behaviour of the Great Reed Warbler, Acrocephalus arundinaceus, in Poyrazlar Lake, Turkey

Breeding ecology and behaviour of the Great Reed Warbler, Acrocephalus arundinaceus, in Poyrazlar Lake, Turkey

Does Social Mating System Influence Nest Defence Behaviour in Great Reed Warbler (Acrocephalus arundinaceus) Males?

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