A5003256168- Primate Behavior and Ecology
- Animal Behavior and Reproduction
- Wildlife Ecology and Conservation
- Animal Vocal Communication and Behavior
- Bat Biology and Ecology Studies
- Evolution and Paleontology Studies
- Amphibian and Reptile Biology
- Species Distribution and Climate Change
- Child and Animal Learning Development
- Ecology and Vegetation Dynamics Studies
- Animal Ecology and Behavior Studies
- Plant and animal studies
- Parasite Biology and Host Interactions
- Wildlife-Road Interactions and Conservation
- Plant and soil sciences
- Parasitic Infections and Diagnostics
- Human-Animal Interaction Studies
- Animal and Plant Science Education
- Neurobiology and Insect Physiology Research
- Circadian rhythm and melatonin
- Neuroendocrine regulation and behavior
- Gut microbiota and health
- Geological and Tectonic Studies in Latin America
- Stress Responses and Cortisol
- Ichthyology and Marine Biology
Universidad de Los Andes
2016-2025
Universidad de Los Andes
2018-2025
Universidad San Francisco de Quito
2020-2024
International Union for Conservation of Nature
2024
Fundación PROINPA
2016-2022
Karger Publishers (Switzerland)
2016
Google (United States)
2015
The University of Texas at Austin
2012-2014
New York University
2003-2010
New York Consortium in Evolutionary Primatology
2006-2009
Recent studies increasingly note the effect of captivity or built environment on microbiome humans and other animals. As symbiotic microbes are essential to many aspects biology (e.g., digestive immune functions), it is important understand how lifestyle differences can impact microbiome, and, consequently, health hosts. Animals living in experience a range changes that may influence gut bacteria, such as diet changes, treatments, reduced contact with individuals, species variable...
Dispersal is a behavioral process that shuffles genes across the physical and social landscapes. Analysis of how genetic variation structured hierarchically among males versus females can provide insights into underlying dispersal processes, even when direct observations events are lacking, but application these techniques in primate studies has been limited. We investigated patterns two South American primates — woolly spider monkeys using combination multilocus genotype data from > 150...
Elevated risk of disease transmission is considered a major cost sociality, although empirical evidence supporting this idea remains scant. Variation in spatial cohesion and the occurrence social interactions may have profound implications for patterns interindividual parasite transmission. We used network approach to shed light on importance different aspects group-living (i.e. within-group associations versus physical contact) parasitism neotropical primate, brown spider monkey (Ateles...
Seed dispersal by frugivores is thought to play an important role in the maintenance of tropical forest diversity. Spider monkeys (Ateles spp.) are amongst most frugivorous primates known, and they incorporate a diverse array fruit species their diets. In 1-y study lowland Ecuador, 670 h focal observations data on 916 faecal depositions were collected, these used describe seed patterns one group wild spider belzebuth) terms both quantity seeds dispersed primary shadows generated. fed fruits...
Abstract Conservation funding is currently limited; cost‐effective conservation solutions are essential. We suggest that the thousands of field stations worldwide can play key roles at frontline biodiversity and have high intrinsic value. assessed stations’ return on investment explored impact COVID‐19. surveyed leaders across tropical regions host primate research; 157 in 56 countries responded. Respondents reported improved habitat quality reduced hunting rates over 80% lower operational...
Mineral licks--also known as "salados," "saladeros," or "collpas"--are specific sites in tropical and temperate ecosystems where a large diversity of mammals birds come regularly to feed on soil. Although the reasons for vertebrate geophagy are not completely understood, animals argued obtain variety nutritional health benefits from ingestion soil at mineral licks. We studied temporal patterns lick use by white-bellied spider monkey (Ateles belzebuth) red howler (Alouatta seniculus) lowland...
Non-invasive methods to assess stress hormone output via fecal glucocorticoid metabolites (FGCMs) have become a powerful tool in behavioral studies and conservation biology because they allow exploring the link between behavior, an animal's socio-ecological environment its adrenocortical activity. However, FGCM levels are influenced by numerous other factors which often confound their interpretation. Thus, before applying these methods, knowledge on impact of is important. In this study we...
Abstract Aim Our aim was to examine gracile capuchin ( Cebus ) and robust monkey Sapajus diversification, with a focus on recent expansion within Amazonia. We wanted reconstruct the biogeographical history of clade using statistical methods that model lineages’ occupation different regions over time in order evaluate recently proposed ‘Out Amazonia’ ‘Reinvasion hypotheses as alternative explanations for extensive geographical overlap between reciprocally monophyletic monkeys. Location...
Abstract Documenting the natural diversity of eukaryotic organisms in nonhuman primate (NHP) gut is important for understanding evolution mammalian microbiome, its role digestion, health and disease, consequences anthropogenic change on biology conservation. Despite ecological significance gut-associated eukaryotes, little known about factors that influence their assembly mammals. In this study, we used an 18S rRNA gene fragment metabarcoding approach to assess assemblage 62 individuals...
The pervasive decline of wild primate populations is most often associated to their slow life-history variables and low capacity for persistence in landscapes exposed habitat loss, degradation fragmentation. This study aims evaluate the influence landscape metrics three forest covers (Forest Cover, Forest Gain, Loss) at different spatial scales (100 – 2000 m radius/0.03 km2-12.57 km2) on population density critically endangered brown spider monkey (Ateles hybridus). We used this multiscale...
Sloths (Mammalia, Xenarthra, Folivora) are one of the most diverse clades mammals that can be found in Middle Miocene assemblage La Venta site (Laventan South American Land Mammal Age, SALMA; ca.13.5–11.8 Ma), central Colombia. Here, we provide a description new ground sloth, Megatherioidea gen. et sp. indet. from site, represented by partial maxilla with teeth exhibit shared characteristics other sloths Early (Santacrucian ca. 18–16 Ma) Argentina: Schismotherium, Pelecyodon, Hyperleptus,...
Circadian rhythms are a mechanism by which species adapt to environmental variability and fundamental understanding behavior. However, we lack data standardized framework accurately assess compare temporal activity for during rapid ecological change. Through global network representing 38 countries, leveraged 8.9 million mammalian observations create library of 14,587 diel estimates 445 species. We found that less than half the species’ were in agreement with classifications from reference...
ABSTRACT The phenological behavior of many tropical plant species is highly dependent on rainfall, but these plants may also respond to changes in photoperiod. Without a better knowledge the proportion responding different factors, it difficult predict how global climate change affect natural ecosystem processes. aim this study was describe flowering patterns for more than 100 Tinigua Park, Colombia, and propose which factors trigger flower production ( e.g. , temperature, cloud cover,...
Numerous animal species currently experience habitat loss and fragmentation. This might result in behavioral dietary adjustments, especially because fruit availability is frequently reduced fragments. Food scarcity can elevated physiological stress levels, chronic often has detrimental effects on individuals. Some exhibit a high degree of fission–fusion dynamics, theory predicts that these reduce intragroup feeding competition by modifying their subgroup size according to resource...