Results 21 to 30 of about 1,139 (181)

Cenozoic Tectonics Ignite Mitochondrial Codon Innovations Propelling Canid Body Size Evolution and Transcontinental Radiations

open access: yesIntegrative Zoology, EarlyView.
We decode mitochondrial genomes across all extant canids, revealing lineage‐specific codon optimization driven by altitude, predation, and body size. A tripartite framework integrates geological events, metabolic constraints, and adaptive radiation to explain carnivore evolution.
Xiaoyang Wu   +8 more
wiley   +1 more source

Nuevo registro y ampliación de distribución del búho bicolor (Aegolius harrisii) en Colombia

open access: yesBiota Colombiana, 2018
El búho bicolor (Aegolius harrisii) es un ave rapaz nocturna poco conocida, con distribución amplia y discontinua en Suramérica. Reportamos un nuevo registro de distribución de A.
Angie P. Penagos   +2 more
doaj   +5 more sources

Registros notables de la guagua loba Dinomys branickii (Rodentia: Dinomyidae) en Antioquia, Colombia.

open access: yesMammalogy Notes, 2014
La guagua loba, Dinomys branickii (Peters 1873), es el segundo roedor más grande de Colombia y la única representante viviente de la familia Dinomyidae. La especie presenta una distribución restringida a la Cordillera de los Andes.
Andrés Arias-Alzate   +2 more
doaj   +1 more source

El género Cryptocanthon (Coleoptera: Scarabaeidae) en Colombia: descripción de especies nuevas, distribución geográfica y conservación

open access: yesRevista Mexicana de Biodiversidad, 2020
Se describen 3 especies nuevas de escarabajos del género Cryptocanthon Balthasar de los Andes colombianos: C. encenillensis sp. nov. y C. cephalopunctatus sp. nov. de la cordillera oriental, y C. mailinae sp. nov. de la cordillera occidental. Se proveen
Diego Esteban Martínez Revelo   +2 more
doaj   +1 more source

Impact of global change on the distribution of mountain mammals and birds

open access: yesConservation Biology, EarlyView.
Abstract Climate change and land‐use changes are key drivers of global biodiversity loss. Many species are shifting to higher elevations or latitudes in response to global warming, often encountering unfavorable land‐use conditions during the shift. These changes can lead to reduced range size and increased extinction risks, particularly for mountain ...
Chiara Dragonetti   +5 more
wiley   +1 more source

Neotropical Snakes Reveal Different Geological Times for Dispersal Corridors Between Amazon and Atlantic Forests

open access: yesZoologica Scripta, EarlyView.
ABSTRACT Three forested dispersal corridors have been proposed within the diagonal of open/dry landscapes in South America and the relative importance of each one has been the subject of debate for forest organisms. We analysed the biogeographical history of three snake genera (Bothrops, Philodryas, and Micrurus) from different families (Viperidae ...
Matheus Pontes‐Nogueira   +2 more
wiley   +1 more source

Elevational variation in heart mass and suppression of hypoxia‐induced right ventricle hypertrophy in Andean leaf‐eared mice (Phyllotis)

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend In lowland mammals that ascend to high elevation, hypoxia‐induced changes in the pulmonary circulation can give rise to hypoxic pulmonary hypertension (HPH) and associated right‐ventricle (RV) hypertrophy. Andean mice with broad elevational ranges have greater heart mass relative to body size at higher elevations, but they ...
Naim M. Bautista   +9 more
wiley   +1 more source

Nuevo registro de Scolopendra galapagoensis Bollman, 1889 (Scolopendromorpha: Scolopendridae) en la Reserva de la Biosfera del Manu, Perú

open access: yesRevista Chilena de Entomología, 2022
Se registra una nueva localidad de distribución para el ciempiés Scolopendra galapagoensis (Bollman) en la Reserva de la Biosfera del Manu en el sureste de Perú.
Benita Bautista-Challco   +7 more
doaj   +1 more source

Modeling climate adaptive habitat connectivity for conservation planning in Colombia

open access: yesEcography, Volume 2026, Issue 10, October 2026.
To remain effective under global change, conservation decisions must anticipate shifting climates, species responses to climate change and the dispersal pathways needed to track suitable climate. Yet most assessments of ecological connectivity do not consider how the landscape will change, or, if they do, they only consider a single future time point ...
Lei Song   +8 more
wiley   +1 more source

TÉCNICA IMPRONTAS DE HOJAS: ALGUNAS REFLEXIONES ACERCA DE SU NOVEDOSO REGISTRO EN LA VERTIENTE ORIENTAL DE LA CORDILLERA DE LOS ANDES PRINTS OF LEAVES TECNIQUE: SOME THOUGHTS ABOUT THIS NEW RECORD IN THE EASTERN SLOPE OF THE CORDILLERA DE LOS ANDES

open access: yesMagallania, 2009
Se describen dos conjuntos cerámicos obtenidos de San Martín de los Andes, Provincia de Nequén, Argentina, que presentan en sus superficies externas evidentes improntas de hojas en negativo.
ALBERTO E PÉREZ, VERÓNICA A REYES A
doaj  

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