ArticleThe American naturalist2018
Early Life Stress Strengthens Trait Covariance: A Plastic Response That Results in Reduced Flexibility.
Article in The American naturalist, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 18 citations in OpenAlex.
- Trait-specific sensitive developmental windows: Wing growth best integrates weather conditions encountered throughout the development of nestling Alpine swifts.Ecology and evolution · 2024Article
- Climate change and its effects on body size and shape: the role of endocrine mechanisms.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2024Review
- Early-life patterns of growth are linked to levels of phenotypic trait covariance and postfledging mortality across avian species.Ecology and evolution · 2021Article
- Flexibility in an emergency life-history stage: acute food deprivation prevents sickness behaviour but not the immune response.Proceedings. Biological sciences · 2020Article
- Maternal glucocorticoids promote offspring growth without inducing oxidative stress or shortening telomeres in wild red squirrels.The Journal of experimental biology · 2020Article
- Future Directions for Personality Research: Contributing New Insights to the Understanding of Animal Behavior.Animals : an open access journal from MDPI · 2019Review
- Early Life Stress Strengthens Trait Covariance: A Plastic Response That Results in Reduced Flexibility.The American naturalist · 2018Article
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
Abstract
Stress exposure during development can impact both the expression of individual traits and associations between traits, but whether stress results in stronger or weaker associations between traits is unclear. In this study, we examined within- and among-trait associations for morphological and physiological traits in zebra finches (Taeniopygia guttata) exposed to corticosterone (CORT) during the nestling and fledging stages as well as in control birds. Birds exposed to CORT exhibited stronger within-trait correlations over time and stronger associations among traits. We found preliminary evidence that birds that died before the median age of death had stronger within- and among-trait correlations independent of treatment, and among CORT-treated birds, smaller birds were more likely to survive beyond the median age than larger birds. These findings suggest that stress hormone exposure in early life can result in reduced developmental flexibility, with potential fitness ramifications, and that these costs may be greater for larger offspring. Furthermore, our results provide experimental evidence for pleiotropic effects of hormones during development through altered patterns of phenotypic correlation.
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