NDLI: Brood sex ratio adjustment in collared flycatchers (Ficedula albicollis): results differ between populations

Content Provider	Springer Nature Link
Author	Rosivall, Balázs Török, Jás Hasselquist, Dennis Bensch, Staffan
Copyright Year	2004
Abstract	Recently, a number of studies have found adaptive brood sex ratio (BSR) manipulation in birds. The reason for such manipulations is thought to be the different reproductive value of male and female nestlings. Several studies have found that parental quality and food supply can affect BSR, however results are sometimes inconsistent between species and populations. We investigated BSR patterns in a Hungarian population of Collared Flycatchers (Ficedula albicollis) and compared the results with those obtained in a previous study of the same species in Sweden. We found two significant differences. First, the male forehead patch size, a heritable, sexually selected trait, affected the brood sex ratio in the Swedish population, but not in our Hungarian study population. This difference might be a consequence of the different information content of the forehead patch size in the two populations. Second, a seasonal shift in BSR (more sons late in the season) was observed in the Hungarian, but not in the Swedish population.
Starting Page	346
Ending Page	351
Page Count	6
File Format	PDF
ISSN	03405443
Journal	Behavioral Ecology and Sociobiology
Volume Number	56
Issue Number	4
e-ISSN	14320762
Language	English
Publisher	Springer-Verlag
Publisher Date	2004-05-12
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ficedula albicollis Geographic variation Male attractiveness Seasonal patterns Sex allocation
Content Type	Text
Resource Type	Article
Subject	Animal Science and Zoology Ecology, Evolution, Behavior and Systematics

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Mate replacement in experimentally widowed collared flycatchers (Ficedula albicollis): determinants and outcomes

Seasonal decline in cell-mediated immunity of collared flycatcher Ficedula albicollis nestlings: does the sex of offspring matter?

Lifetime offspring production in relation to breeding lifespan, attractiveness, and mating status in male collared flycatchers

Carotenoids in the egg yolks of collared flycatchers (Ficedula albicollis) in relation to parental quality, environmental factors and laying order

Data from: Paternity covaries with laying and hatching order in the collared flycatcher Ficedula albicollis (Dataset)

Contradictory results in sex ratio studies: populations do not necessarily differ

Data from: Footprints of adaptive evolution revealed by whole Z chromosomes haplotypes in flycatchers (Dataset)

Data from: Cross-fostering eggs reveals that female collared flycatchers adjust clutch sex ratios according to parental ability to invest in offspring (Dataset)

Female collared flycatchers adjust yolk testosterone to male age, but not to attractiveness

Brood sex ratio adjustment in collared flycatchers (Ficedula albicollis): results differ between populations

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Mate replacement in experimentally widowed collared flycatchers (Ficedula albicollis): determinants and outcomes

Seasonal decline in cell-mediated immunity of collared flycatcher Ficedula albicollis nestlings: does the sex of offspring matter?

Lifetime offspring production in relation to breeding lifespan, attractiveness, and mating status in male collared flycatchers

Carotenoids in the egg yolks of collared flycatchers (Ficedula albicollis) in relation to parental quality, environmental factors and laying order

Data from: Paternity covaries with laying and hatching order in the collared flycatcher Ficedula albicollis (Dataset)

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Data from: Footprints of adaptive evolution revealed by whole Z chromosomes haplotypes in flycatchers (Dataset)

Data from: Cross-fostering eggs reveals that female collared flycatchers adjust clutch sex ratios according to parental ability to invest in offspring (Dataset)

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Brood sex ratio adjustment in collared flycatchers (Ficedula albicollis): results differ between populations