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Oxidative stress and life histories: unresolved issues and current needs
Abstract Life‐history theory concerns the trade‐offs that mold the patterns of investment by animals between reproduction, growth, and survival. It is widely recognized that physiology plays a roleExpand
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Heritability of telomere length in the Zebra Finch
Telomere length predicts survival in birds, and many stressors that presumably reduce fitness have also been linked to telomere length. The response to selection of telomere length will be largelyExpand
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Care for kin: within-group relatedness and allomaternal care are positively correlated and conserved throughout the mammalian phylogeny
With an increasing amount of data becoming available, comparative analyses have called attention to the associations between cooperative breeding, monogamy and relatedness. We focus here upon theExpand
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Effects of early developmental conditions on innate immunity are only evident under favourable adult conditions in zebra finches
Long-term effects of unfavourable conditions during development can be expected to depend on the quality of the environment experienced by the same individuals during adulthood. Yet, in the majorityExpand
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Context-dependent effects of carotenoid supplementation on reproduction in zebra finches
Carotenoid-dependent sexual coloration is one of the best-studied sexual signals, but how the honesty of such signals is maintained remains uncertain. The main hypotheses focus on acquisition limitsExpand
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Bill Redness Is Positively Associated with Reproduction and Survival in Male and Female Zebra Finches
Sexual traits can serve as honest indicators of phenotypic quality when they are costly. Brightly coloured yellow to red traits, which are pigmented by carotenoids, are relatively common in birds,Expand
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What can long-lived mutants tell us about mechanisms causing aging and lifespan variation in natural environments?
Long-lived mutants of model organisms have brought remarkable progress in our understanding of aging mechanisms. However, long-lived mutants are usually maintained in optimal standardized laboratoryExpand
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Food availability affects adult survival trajectories depending on early developmental conditions
Food availability modulates survival in interaction with (for example) competition, disease and predators, but to what extent food availability in natural populations affects survival independent ofExpand
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Male but not female zebra finches with high plasma corticosterone have lower survival
The glucocorticoid axis is essential for coping with predictable and unpredictable environmental variation. Despite this vital function, attempts to link individual variation in the glucocorticoidExpand
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Variation in reproductive success across captive populations: Methodological differences, potential biases and opportunities
Our understanding of fundamental organismal biology has been disproportionately influenced by studies of a relatively small number of ‘model’ species extensively studied in captivity. LaboratoryExpand
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