A5050517953- Wildlife Ecology and Conservation
- Avian ecology and behavior
- Wildlife Conservation and Criminology Analyses
- Evolution and Paleontology Studies
- Species Distribution and Climate Change
- Environmental and Cultural Studies in Latin America and Beyond
- Indigenous Cultures and History
- Plant and soil sciences
- Animal Ecology and Behavior Studies
- Human-Animal Interaction Studies
- Primate Behavior and Ecology
- Marine animal studies overview
- Fire effects on ecosystems
- Amphibian and Reptile Biology
- Botany and Geology in Latin America and Caribbean
- Animal and Plant Science Education
University of Florida
2022-2024
Fundación Para La Investigación Y Gestión En Servicios de Salud
2023
Pontificia Universidad Javeriana
2017-2021
Peregrine Power (United States)
2019-2020
The Peregrine Fund
2019-2020
Summary Andean Condor Vultur gryphus populations are particularly low in the northern Andes. The species is considered nearly eradicated from Venezuela and listed as “Endangered” Ecuador “Critically Endangered” Colombia. Even though it severely endangered, size of Colombian condor population remains unknown. Using a citizen science-based approach, we conducted first count for Colombia with help 207 observers at 84 simultaneous observation points. We used N-mixture models spatially replicated...
Vultures comprise one of the most threatened groups birds worldwide. With a total population not exceeding 6700 mature individuals, and in rapid decline across its range, Andean Condor (Vultur gryphus) is listed as Vulnerable species IUCN red list. Local extinctions are particular concern northern South America, where no more than 340 condors may exist at present. Despite this, quantitative assessments Ecuador, Colombia, Venezuela regarding threats affecting populations. To address we...
In human-transformed landscapes, predators may feed on domesticated animals, and thus affect human well-being, creating negative perceptions leading to conflict with people that can result in the persecution of predator. We studied factors influence perception Black-and-chestnut Eagle (Spizaetus isidori) four rural Andean communities Colombia compiled historical recent evidence other causes mortality this species country. applied 267 questionnaires conducted 16 interviews local inhabitants,...
Background and Research Aims: Little information exists on the breeding behavior of Andean Condor ( Vultur gryphus). Its global population, estimated at 6700 adult individuals, is declining throughout its distribution range. With less than 150 condors, Endangered condor population in Ecuador conservation concern. This study aimed to analyze wild-born Condors Ecuador. Methods: Between 2009 2021, we monitored 22 egg-laying attempts eight nests, evaluated parental care three pairs condors...
Abstract · Between 1989–2013, 69 Andean Condors (Vultur gryphus) were reintroduced in eight sites the Andes of Colombia. Due to lack monitoring programs, little is known about ecology and biology these populations. We present first observations on a breeding pair. For 36 months, we examined behavior pair condors nest cave central In June 2013, observed chick 6–7 months age cave. The most remarkable outcomes are (1) that females spend more time guarding whereas (2) males focus While was (80 h...
Abstract Conflicts between rural people and the Endangered Black-and-chestnut Eagle ( Spizaetus isidori ) are a prominent conservation concern in northern Andes, as at least 60 eagles were poached 2000 2022 response to poultry predation. Here, we conducted direct observations analyze diet evaluated how forest cover affects feeding habits of species during nestling-rearing periods 16 nests located different human-transformed Andean landscapes Ecuador Colombia. We analyzed 853 prey items (46...
In anthropogenically transformed habitats, some birds of prey feed on domestic animals, triggering conflict between people and predators. To manage this conflict, it is important to understand the ecological circumstances associated with predation animals. We studied variation in diet endangered Black-and-chestnut Eagle ( Spizaetus isidori) four different Andean landscapes Colombia. analyzed 261 items brought five S. isidori nests during period when nestlings were being raised. Domestic fowl...
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Background and Research Aims The Black-and-chestnut Eagle ( Spizaetus isidori) has a total population of fewer than 1000 adult individuals, is categorized as Endangered at the global level. northern Andes (Ecuador Colombia) represent one last strongholds species. In this study, we analyzed human persecution retaliation or preventive measure against poultry predation, well other threats that have affected species in geographical region between 2000 2022. Methods order to understand faced by...
Abstract · Dietary studies are one of the most developed research areas in biology and ecology Neotropical owls, but these have focused on few species. Our study describes diet Barn Owl (Tyto alba), Spectacled (Pulsatrix perspicillata), Rufous-banded (Strix albitarsis) Jardin Ciudad Bolivar, western Andes Colombia. The T. alba, based 495 prey items consisted 98.6% vertebrates, main food being rodents (66%) shrews (21.4%). Out 142 identified from P. perspicillata fractured pellets, species...
This study quantitively compares the diets of Stygian Owl (Asio stygius) and Short-eared (A. flammeus) in south-west Bogotá Savanna, Colombia. We identified 130 prey items from 111 A. stygius pellets 579 149 flammeus pellets. In terms numbers preys, diet consisted following: 88.1% birds, mainly pigeons, rails cuckoos; a smaller proportion beetles (11.4%). flammeus, insects were most frequent item (59.8%), followed by rodents (39.8%), birds (0.5%). biomass contribution, main preys Eared Doves...
A call to mitigate threats and fill existing knowledge gaps facilitate the conservation of Andean Condor in ColombiaUn llamado a mitigar las amenazas y llenar los vacíos de información para facilitar
Background and Research Aims Native vertebrate scavenger communities may be affected by free-ranging dogs ( Canis lupus familiaris), but little information is available on this subject. We aimed to evaluate the influence of a community native scavengers propose management conservation actions. Methods Between November 2014 June 2016, we systematically monitored 37 ungulate carcasses in buffer zone Antisana National Park, Andes Ecuador at an elevation range between 3000 4150 m asl. with...
The New World Vultures (Cathartidae) include seven species of obligate scavengers that, despite their ecological relevance, present critical information gaps around evolutionary history and conservation. Insights into phylogenetic relationships in recent years has enabled the addressing such through approaches based on phylogeny. We reconstructed ancestral area America current using two regionalization schemes methods: Biogeography with Bayesian Evolutionary Analysis (BioGeoBears) Binary...