Feather corticosterone levels are not correlated with health or plumage coloration in juvenile house finches

Tuul Sepp, Steve Desaivre, Adam Z. Lendvai, J. Németh, Kevin J. Mcgraw, Mathieu Giraudeau

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Stressful developmental conditions can have both short- and long-term effects on animal physiology and behaviour, but studies on this topic are rarely conducted in the wild and, if so, largely focus on only the first few weeks of life. To fill this gap, we tested developmental links between early-life stress and the physiology of wild-caught juveniles later during development. Specifically, we examined potential associations between feather corticosterone levels of hatchling house finches (Haemorhous mexicanus) and several phenotypic and physiological traits measured several months later in juveniles. We assessed four indices of health (oxidative damage to lipids, innate immunity, intestinal parasite infection intensity and plumage colour) and two morphological traits (body mass and tarsus length) in juveniles. Feather corticosterone content was not related to any of the juvenile traits later in development. Our results suggest that physiological variables can change rapidly during ontogeny, such that stress hormone levels in juvenile feathers could be uncoupled from the real stress levels experienced by nestlings. Instead, juvenile physiology might be more dependent on current environmental conditions than on early-life conditions (i.e. environmental matching), and this may limit the effects on fitness of poor early-developmental conditions.

Original languageEnglish
Pages (from-to)157-164
Number of pages8
JournalBiological Journal of the Linnean Society
Volume124
Issue number2
DOIs
Publication statusPublished - May 29 2018

Fingerprint

plumage
corticosterone
feather
feathers
color
physiology
environmental conditions
animal physiology
environmental factors
nestling
immunity
ontogeny
animal behavior
body mass
hormone
long term effects
Carpodacus mexicanus
health
parasite
fitness

Keywords

  • Body size
  • Carotenoid pigmentation
  • Haemorhous mexicanus
  • Immunity
  • Oxidative stress
  • Parasitism
  • Teroids

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics

Cite this

Feather corticosterone levels are not correlated with health or plumage coloration in juvenile house finches. / Sepp, Tuul; Desaivre, Steve; Lendvai, Adam Z.; Németh, J.; Mcgraw, Kevin J.; Giraudeau, Mathieu.

In: Biological Journal of the Linnean Society, Vol. 124, No. 2, 29.05.2018, p. 157-164.

Research output: Contribution to journalArticle

Sepp, Tuul ; Desaivre, Steve ; Lendvai, Adam Z. ; Németh, J. ; Mcgraw, Kevin J. ; Giraudeau, Mathieu. / Feather corticosterone levels are not correlated with health or plumage coloration in juvenile house finches. In: Biological Journal of the Linnean Society. 2018 ; Vol. 124, No. 2. pp. 157-164.
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