A5027089133- Avian ecology and behavior
- Species Distribution and Climate Change
- Plant and animal studies
- Water Resource Management and Quality
- Wildlife Ecology and Conservation
- Environmental and sustainability education
- Fish Ecology and Management Studies
- Marine animal studies overview
- COVID-19 epidemiological studies
- Animal Behavior and Reproduction
- Business, Innovation, and Economy
- Bird parasitology and diseases
- Marine and fisheries research
- Animal and Plant Science Education
- Genetic and phenotypic traits in livestock
- COVID-19 impact on air quality
- Blood properties and coagulation
- Zoonotic diseases and public health
- Music and Audio Processing
- Erythrocyte Function and Pathophysiology
- melanin and skin pigmentation
- Fisheries and Aquaculture Studies
- Fish biology, ecology, and behavior
- Agricultural Systems and Practices
- Wildlife-Road Interactions and Conservation
Princeton University
2021-2025
Alexander von Humboldt Biological Resources Research Institute
2020-2022
Universidad de Los Andes
2014-2022
Universidad de Antioquia
2011-2014
Abstract A major barrier to advancing ornithology is the systemic exclusion of professionals from Global South. recent special feature, Advances in Neotropical Ornithology, and a shortfalls analysis therein, unintentionally followed long-standing pattern highlighting individuals, knowledge, views North, while largely omitting perspectives people based within Neotropics. Here, we review current strengths opportunities practice ornithology. Further, discuss problems with assessing state...
The study of avian nesting biology in North America and Europe has a long history, resulting an expansive information-rich literature. In contrast, the tropics have been relatively neglected and, most ways, we are still at frontier exploration. Data about basic nest descriptions natural history information lacking for many Neotropical species; standardization data collection methods is needed comparative analyses. Hence, our goals are: (1) motivate new generation naturalists to collect by...
Innovations in nest design are thought to be one potential factor the evolutionary success of passerine birds (order: Passeriformes), which colonized new ecological niches as they diversified Oligocene and Miocene. In particular, tyrant flycatchers their allies (parvorder: Tyrannida) an extremely diverse group New World suboscine passerines occupying a wide range habitats exhibiting substantial extant variation design. To explore evolution architecture this clade, we first described traits...
Predation is the most important cause of nest failure in birds, and variation predation risk has been associated with changes nesting behaviors such as nest-site selection. Some birds choose favorable breeding sites on oceanic or large lake islands to increase their success, but we do not know whether river smaller water barriers provide similar "safe" conditions that decrease risk. We tested this tropical by comparing daily survival rates (DSR; i.e. probability a will survive single day)...
The Fulvous-breasted Flatbill (Rhynchocyclus fulvipectus) has an Andean distribution from Colombia and Venezuela to northeastern Bolivia between 750 2,300 m elevation. We describe the nesting behavior, nest, eggs, nestlings of this species in buffer zone Manu National Park at Cock Rock Field Station, Cusco, Peru, August through December 2009. monitored seven nests using data loggers incubation patterns conducted direct observations provisioning behavior. two-egg clutch size pear-shaped nest...
Abstract Body mass is one of the most important phenotypic attributes in animal ecology and life history. This trait widely used fields macroevolution, since it influences physiology, morphological functions, a myriad ecological social interactions. In this data set, our aim was to gather comprehensive bird mammal body set from northern South America. We report mass, discriminated by sex, for 42,022 individual birds 7,441 mammals representing 1,317 species (69% Colombia’s avifauna) 270 (51%...
The COVID–19 lockdown provided the opportunity to measure species biodiversity in urban environments under conditions divergent from regular rhythms. For 90 days, including weeks of strict and subsequent relaxation restrictions, we measured presence abundance birds that were active at night two sites city Cali, Colombia. Our results show richness nocturnal decreased 40 % 58 during with more human activity, adding further evidence responses ‘anthropause’ on environments.
Cotingas are considered essentially frugivorous, but a few records suggest they might include small vertebrates in their diet, mainly during the breeding season. In March 2015, we recorded young male of an Andean Cock-of-the-rock (Rupicola peruvianus) chasing and eating adult Canada Warbler (Cardellina canadensis) Santa Maria, Boyacá (Colombia). The next day, observed another Swainson's Thrush (Catharus ustulatus), were unable to observe end chase. Observations hunting this species may be...
La frontera sur de Colombia incluye extensos bosques amazónicos con diferentes grupos taxonómicos aún inexplorados. Presentamos una lista especies aves registradas entre los ríos Caquetá y Putumayo, o Japurá e Içá, a partir la recopilación datos históricos provenientes especímenes biológicos muestreos en campo realizados principalmente 2015 2020. Comparamos diversidad taxonómica funcional, así como el interés para aviturista, relación un índice huella humana que permite clasificar grado...
El Parque Nacional Natural Selva de Florencia es considerado uno los últimos fragmentos bosque pluvial andino la cordillera Central Colombia. Con el propósito actualizar estado del conocimiento avifauna recopilamos información obtenida mediante monitoreos realizados desde 2012 y registros dos expediciones realizadas entre 2017 2018. Registramos 357 especies, las cuales 11 son endémicas 20 tienen alguna categoría amenaza. Reportamos 18 nuevas especies para departamento, con ampliaciones en...
Gustavo Kattan fue un científico visionario que soñó con repetir expediciones ornitológicas en las localidades históricas del Museo Americano de Historia Natural Colombia, para estudiar los cambios aves país como respuesta a ambientales y el paisaje, así contribuir su conservación. Construyendo sobre trabajo Gustavo, programa Re-expedición Colombia es ahora realidad, una alianza científicos, comunidades locales, instituciones colombianas e internacionales, recopila información histórica...
La biología reproductiva de la Rosita canora (Rhodinocichla rosea) se ha limitado a descripción inicial sus nidos y huevos, un reporte cuidado biparental en Centro América. Pese ser una especie distintiva, asociada con sistemas agroforestales, que podrían impactar su uso hábitat éxito reproductivo, no existen estudios sobre aspectos básicos historia natural. En este trabajo aportamos información cinco eventos reproductivos. Los tenían forma taza, los huevos fueron azules claro manchas café...
Objetivo. Desarrollar una nueva metodología para caracterizar la estructura del eritrocito normal mediante el espacio ocupado por anillo caracterizado con método de Box Counting. Método. se analizaron las imágenes 20 extendidos sangre periférica, cuyos eritrocitos fueron evaluados un experto como normales. Se superpusieron dos rejillas Kp 5 x pixeles y Kg 10 pixeles, calcular regiones estos son, disco centro este, visto manera frontal Resultados. Los espacios ocupados región rejilla variaron...
The COVID-19 lockdowns produced a singular opportunity to perform scientific research in idle cities. expected changes urban ecology led us form citizen science community which, following standardized protocols, conducted well-structured surveys of birds across Colombia test questions about bird assemblages that had not yet been addressed. Here, we report the process and experience this initiative, between March 30 June 30, 2020, discuss recommendations apply future projects with similar...
We document the breeding behavior of Red-bellied Grackle (Hypopyrrhus pyrohypogaster: Icteridae) from monitoring seven groups during 4 consecutive years (2006–2009) in central cordillera Colombian Andes. All nests were attended by three to individuals, representing family composed adult males and females, as well immatures previous generations. Clutch size ranged two four eggs was positively correlated with group size. The incubation period 15–17 days nestlings left nest when 16–18 age....
Research on urban biodiversity has primarily addressed the effects of urbanization and human activity synergistically as it been virtually impossible to dissociate their impact city wildlife. However, anthropause resulting from COVID–19 lockdowns provided an unprecedented scenario study relative role avian communities. Here we provide evidence relationships between bird species richness in areas Colombia during its strict subsequent relaxed lockdowns. Once lockdown was lifted increased,...
The genus Aglaeactis is restricted to the high Andes, from Colombia Bolivia. breeding biology of Shining Sunbeam (A. cupripennis) well-known compared with other three species this genus, which have relatively small ranges. In study we present first description nest, eggs, and nestlings Peruvian endemic White-tufted castelnaudii), provide novel information using thermal sensors about incubation behaviors A. cupripennis in highlands southeastern Peru. nest castelnaudii was a compact,...