NDLI: Phaeomelanin- and carotenoid-based pigmentation reflect oxidative status in two populations of the yellow warbler (Setophaga petechia)

Content Provider	Springer Nature Link
Author	Grunst, Andrea S. Salgado Ortiz, Javier Rotenberry, John T. Grunst, Melissa L.
Copyright Year	2014
Abstract	Carotenoid- and phaeomelanin-based sexual pigmentation may signal a capacity to maintain oxidative balance and viability. However, diverse empirical results leave the association between pigmentation and oxidative stress (OS) unclear. We assessed the hypothesis that population-specific levels of oxidative challenge, or strategies for managing OS, affect relationships between sexual pigmentation and OS. Specifically, intense oxidative challenge in migratory, temperate breeding birds might enhance correlations between pigmentation and OS relative to allied tropical breeders, since quality-based differences in OS may arise only under intense oxidative challenge. Alternatively, in temperate breeders with intense within-season reproductive effort, high-quality birds may invest in reproduction over oxidative balance, dampening negative correlations between pigmentation and OS. To assess these alternatives, we compared prenesting relationships between pigmentation and OS in a migratory, Californian population of yellow warblers (Setophaga petechia brewsteri) and in a resident, Mexican population (Setophaga petechia bryanti, “mangrove warblers”). Yellow warblers displayed higher OS than mangrove warblers. However, year of capture and sex had bigger influences on correlations between pigmentation and OS than population. Males with more intense melanin pigmentation had lower OS among mangrove warblers and yellow warblers captured in 2011, but not among yellow warblers captured in 2012. In females only, lower OS levels were associated with more colorful carotenoid pigmentation. Results suggest that both phaeomelanin- and carotenoid-based pigmentation have the potential to correlate with OS levels, but that the signaling potential of pigmentation may shift with inter-annual variation in environmental conditions and display sex-specific dynamics.
Starting Page	669
Ending Page	680
Page Count	12
File Format	PDF
ISSN	03405443
Journal	Behavioral Ecology and Sociobiology
Volume Number	68
Issue Number	4
e-ISSN	14320762
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-01-23
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Oxidative stress Oxidative challenge Sexual pigmentation Life history Setophaga petechia Behavioural Sciences Zoology Evolutionary Biology
Content Type	Text
Resource Type	Article
Subject	Animal Science and Zoology Ecology, Evolution, Behavior and Systematics

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Phaeomelanin- and carotenoid-based pigmentation reflect oxidative status in two populations of the yellow warbler (Setophaga petechia)

Multiple sexual pigments, assortative social pairing, and genetic paternity in the yellow warbler (Setophaga petechia)

Condition-Dependence, Reproductive Strategies, and the Information Content of Multiple Sexual Pigments in the Yellow Warbler (Setophaga petechia)

Photos of a rare warbler hybrid, Yellow Warbler x Black-throated Blue Warbler (Setophaga petechia x Setophaga caerulescens) (Dataset)

A highly contiguous genome assembly for the Yellow Warbler (Setophaga petechia)

Setophaga petechia, Yellow Warbler. Correspondence

Data from: Genomic variation across the Yellow-rumped Warbler species complex (Dataset)

Biometric variation among two Mangrove Warbler Setophaga petechia populations of Northwestern Mexico

Individual quality explains association between plumage colouration, arrival dates and mate acquisition in yellow warblers (Setophaga petechia).

Phaeomelanin- and carotenoid-based pigmentation reflect oxidative status in two populations of the yellow warbler (Setophaga petechia)

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Phaeomelanin- and carotenoid-based pigmentation reflect oxidative status in two populations of the yellow warbler (Setophaga petechia)

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Photos of a rare warbler hybrid, Yellow Warbler x Black-throated Blue Warbler (Setophaga petechia x Setophaga caerulescens) (Dataset)

A highly contiguous genome assembly for the Yellow Warbler (Setophaga petechia)

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Data from: Genomic variation across the Yellow-rumped Warbler species complex (Dataset)

Biometric variation among two Mangrove Warbler Setophaga petechia populations of Northwestern Mexico

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Phaeomelanin- and carotenoid-based pigmentation reflect oxidative status in two populations of the yellow warbler (Setophaga petechia)