A5037958344- Primate Behavior and Ecology
- Animal Behavior and Reproduction
- Wildlife Ecology and Conservation
- Neuroendocrine regulation and behavior
- Evolutionary Psychology and Human Behavior
- Animal Vocal Communication and Behavior
- Bat Biology and Ecology Studies
- Animal Behavior and Welfare Studies
- Stress Responses and Cortisol
- Genetics, Aging, and Longevity in Model Organisms
- Epigenetics and DNA Methylation
- Species Distribution and Climate Change
- Human-Animal Interaction Studies
- Rangeland and Wildlife Management
- Children's Rights and Participation
- Advanced Causal Inference Techniques
- Ecology and Vegetation Dynamics Studies
- Insurance, Mortality, Demography, Risk Management
- Neuroinflammation and Neurodegeneration Mechanisms
- Health, Environment, Cognitive Aging
- Animal Nutrition and Physiology
- Gut microbiota and health
- Plant and animal studies
- Poverty, Education, and Child Welfare
- Evolutionary Game Theory and Cooperation
The University of Texas at San Antonio
2018-2025
Duke University
2018-2021
Tulane University
2016-2020
ORCID
2020
University of Calgary
2007-2017
The University of Tokyo
2013-2014
Aging, for virtually all life, is inescapable. However, within populations, biological aging rates vary. Understanding sources of variation in this process central to understanding the biodemography natural populations. We constructed a DNA methylation-based age predictor an intensively studied wild baboon population Kenya. Consistent with findings humans, resulting 'epigenetic clock' closely tracks chronological age, but individuals are predicted be somewhat older or younger than their...
Abstract We examined thermoregulatory behaviors in a wild population of white‐faced capuchins ( Cebus capucinus ) inhabiting highly seasonal dry forest Santa Rosa National Park (SRNP), Costa Rica. The season SRNP lasts ∼5 months and is characterized by high ambient temperatures regularly exceeding 37°C, low relative humidity, the near absence precipitation. This study demonstrates that rest more travel shorter distances during hottest driest hours day, suggests they extend their tongues to...
People who are more socially integrated or have higher socio-economic status live longer. Recent studies in non-human primates show striking convergences with this human pattern: female social partners, stronger bonds dominance rank all lead longer lives. However, it remains unclear whether environments also predict survival male primates, as does men. This gap persists because, most males disperse among groups, resulting many disappear unknown fate and dates of birth. We present a Bayesian...
Is it possible to slow the rate of ageing, or do biological constraints limit its plasticity? We test 'invariant ageing' hypothesis, which posits that ageing is relatively fixed within species, with a collection 39 human and nonhuman primate datasets across seven genera. first recapitulate, in primates, highly regular relationship between life expectancy lifespan equality seen humans. next demonstrate variation genera orders magnitude smaller than pre-adult age-independent mortality....
Adverse conditions in early life can have negative consequences for adult health and survival humans other animals. What variables mediate the relationship between adversity survival? Adult social environments represent one candidate: Early is linked to adulthood, adulthood predicts outcomes. However, no study has prospectively adversity, behavior, measure extent which behavior mediates this relationship. We do so a wild baboon population Amboseli, Kenya. find weak mediation largely...
Earth's rapidly changing climate creates a growing need to understand how demographic processes in natural populations are affected by variability, particularly among organisms threatened extinction. Long-term, large-scale, and cross-taxon studies of vital rate variation relation variability can be valuable because they reveal environmental drivers that affect multiple species over extensive regions. Few such data exist for animals with slow life histories, the tropics, where large-scale...
Significance In group-living mammals, infants of females with strong social relationships sometimes exhibit higher survivorship than less females, a finding that holds true in our study population wild white-faced capuchin monkeys. However, as many new alpha male capuchins often kill young sired by other males. Our long-term research shows highly are at greater risk dying or disappearing during periods replacements females. These findings indicate males more likely to target the social, and...
Significance Extensive care of offspring by mothers is a fundamental trait all mammals, including humans, and the loss mother can be catastrophic for offspring. Here, we identify previously undocumented ways in which death affects her offspring, using long-term, longitudinal data from seven primate species. First, females that experience early maternal are often less able, as adults, to produce survive maturity. Second, some species young more likely die if their facing impending (death next...
Significance In humans and other social animals, early life adversity weak relationships can both alter adult stress responses. The causal connections between these variables are debated; resolving this debate requires data on all three in the same individuals. Here, we unite components wild female baboons. We find that elevates females’ glucocorticoid levels, one measure of response. This effect was largely explained by direct glucocorticoids not mediated poor adulthood. Hence, appear to...
In wild female baboons, high fecal glucocorticoid concentrations measured repeatedly across adulthood predict shorter life spans.
The social environment is a major determinant of morbidity, mortality and Darwinian fitness in animals. Recent studies have begun to uncover the molecular processes associated with these relationships, but degree which they vary across different dimensions remains unclear. Here, we draw on long-term field study wild baboons compare signatures affiliative competitive aspects white blood cell gene regulation, under both immune-stimulated non-stimulated conditions. We find that effects...
Significance Age-related changes in the capability to produce healthy young are common humans and increasingly well documented nonhuman animals. However, differences among species nature of these age-related remain poorly understood. We compare patterns consequences female reproductive performance seven primate populations that have been subjects long-term continuous study for 29 57 y. Our analyses parental age effects on fertility, offspring survival, development highlight some shared may...
Across group-living animals, linear dominance hierarchies lead to disparities in access resources, health outcomes and reproductive performance. Studies of how rank predicts these traits typically employ one several metrics without examining the assumptions each metric makes about its underlying competitive processes. Here, we compare ability two metrics-simple ordinal proportional or 'standardized' rank-to predict 20 a wild baboon population Amboseli, Kenya. We propose that simple best when...
Among mammals, the order Primates is exceptional in having a high taxonomic richness which taxa are arboreal, semiterrestrial, or terrestrial. Although habitual terrestriality pervasive among apes and African Asian monkeys (catarrhines), it largely absent of Americas (platyrrhines), as well galagos, lemurs, lorises (strepsirrhines), mostly arboreal. Numerous ecological drivers species-specific factors suggested to set conditions for an evolutionary shift from arboreality terrestriality,...
A growing body of evidence shows within-population variation in natal dispersal, but the effects such on social relationships and kin composition groups remain poorly understood. We investigate link between groups, proximity patterns a population black-and-white colobus (Colobus vellerosus) that female dispersal. From 2006 to 2011, we collected behavioral data, demographic fecal samples 77 males 92 females residing eight at Boabeng-Fiema, Ghana. combination data genetic network analysis...
Although predation has likely played a central role in the evolution of primate socioecology, we currently lack thorough understanding how fine-scale variation perceived risk affects primates' short-term space use patterns and predator avoidance strategies. We examined spatial ecological characteristics encounters, as well behavioral responses to risk, 5 groups wild white-faced capuchins (Cebus capucinus) Costa Rica over 1.5-year period. Alarm-calling bouts directed at birds were more...
Abstract Research on non‐human primates in the endangered tropical dry forest of Sector Santa Rosa (SSR), Área de Conservación Guanacaste (ACG), was launched 1983 and is now one longest running studies globally. Such continuous study provides a rare opportunity to ask questions that are only answerable through decades‐long monitoring these long‐lived monkeys. In turn, mounting data generated by long‐term study, including knowledge lifetime reproductive success, familial relatedness,...
Extreme climate events can have important consequences for the dynamics of natural populations, and severe droughts are predicted to become more common intense due change. We analysed infant mortality in relation drought two primate species (white-faced capuchins, Cebus capucinus imitator, Geoffroy's spider monkeys, Ateles geoffroyi ) a tropical dry forest northwestern Costa Rica. Our survival analyses combine several rare valuable long-term datasets, including life-history, landscape-scale...
Abstract The aging process is universal, and it characterized by a progressive deterioration decrease in physiological function leading to decline on the organismal level. Nevertheless, number of genetic non-genetic interventions have been described, which successfully extend healthspan lifespan different species. Furthermore, clinical trials evaluating feasibility promote human health. goal annual Biological Sciences Section Gerontological Society America meeting was share current knowledge...